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@@ -55,32 +55,6 @@ FEATURES
55 55
- -40°℃ to +125°C Junction Temperature Range
56 56
57 57
58
-## buck regulator
59
-
60
-
61
-### TLV62569 2-A High Efficiency Synchronous Buck Converter in SOT Package
62
-
63
-
64
-
65
-### LM2853 3-A 550-kHz Synchronous Buck Regulator
66
-
67
-- • Input Voltage Range of 3 V to 5.5 V
68
-- • Factory EEPROM Set Output Voltages From 0.8 V to 3.3 V in 100 mV Increments
69
-- • Maximum Load Current of 3A
70
-- • Voltage Mode Control
71
-- • Internal Type-Three Compensation
72
-- • Switching Frequency of 550 kHz
73
-- • Low Standby Current of 12 µA
74
-- • Internal 40 mΩ MOSFET Switches
75
-- • Standard Voltage Options – 0.8/1.0/1.2/1.5/1.8/2.5/3.0/3.3 Volts
76
-- • Exposed Pad 14-Lead HTSSOP (PWP) Package
77
-
78
-
79
-### TPS56320x 4.5V to 17V Input, 3A Synchronous Step-Down Voltage Regulator in SOT-23
80
-
81
-The TPS563201 and TPS563208 are simple, easy-to-use, 3A synchronous step-down converters in SOT-23 package.
82
-
83
-
84 58
85 59
86 60
## info
... ...
@@ -95,15 +69,12 @@ The TPS563201 and TPS563208 are simple, easy-to-use, 3A synchronous step-down co
95 69
96 70
97 71
98
-**TPS54202** 4.5-V to 28-V Input, 2-A Output, EMI Friendly Synchronous Step Down Converter
99 72
100 73
- [[LM7805-dat]] - [[LM317-dat]]
101 74
102 75
- [[BQ51013-dat]] - [[BQ51050-dat]]
103 76
104
-DCDC降压芯片用Ti的TPS54335A，支持4.5V-28V宽电压输入。
105 77
106
-![](2025-06-19-17-47-13.png)
107 78
108 79
PUCC33421QDHARQ1 == UCC33421-Q1 Ultra-Small, 1.5W, 5.0V, 5kVRMS Isolation, Automotive DC/DC Module
109 80
... ...
@@ -112,25 +83,7 @@ BQxx
112 83
113 84
- [[BQ24650-dat]] == Standalone 1-6 cell Buck battery charge controller with solar input and integrated MPPT
114 85
115
-## TPS5450
116
-
117
-
118
-TPS5450 5-A, Wide Input Range, Step-Down Converter
119
-
120
-
121
-1 Features
122 86
123
-- • Wide input voltage range: 5.5 V to 36 V
124
-- • Up to 5-A continuous (6-A peak) output current
125
-- • High efficiency greater than 90% enabled by 110- mΩ integrated MOSFET switch
126
-- • Wide output voltage range: adjustable down to 1.22 V with 1.5% initial accuracy
127
-- • Internal compensation minimizes external part count
128
-- • Fixed 500-kHz switching frequency for small filter size
129
-- • 18-μA shutdown supply current
130
-- • Improved line regulation and transient response by input voltage feedforward
131
-- • System protected by overcurrent limiting, overvoltage protection, and thermal shutdown
132
-- • –40°C to 125°C operating junction temperature range
133
-- • Available in small thermally enhanced 8-pin SOIC PowerPAD™ package
134 87
135 88
136 89
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@@ -0,0 +1,93 @@
1
+# TI-power-dcdc-boost-dat
2
+
3
+
4
+
5
+
6
+
7
+
8
+# TI-Power-dcdc-boost-dat
9
+
10
+- [[TPS6123x-dat]] - [[TI-power-dcdc-boost-dat]]
11
+
12
+- [[power-bank-dat]]
13
+
14
+- [[power-UPS-dat]] - [[MCP73871-dat]] - [[microchip-power-dat]] - [[TPS6123x-dat]] - [[TI-power-dcdc-boost-dat]]
15
+
16
+
17
+
18
+
19
+
20
+## DCDC boost
21
+
22
+- [[LM2577-dat]]
23
+
24
+
25
+
26
+
27
+- [[TI-power-dat]] - [[TPS61088-dat]] - [[LM2577-dat]]
28
+
29
+== S61088
30
+
31
+
32
+TPS61088 10-A Fully-Integrated Synchronous Boost Converter
33
+
34
+
35
+![](2026-02-12-19-27-44.png)
36
+
37
+
38
+![](2026-02-12-19-39-14.png)
39
+
40
+TPS61088芯片
41
+
42
+- 输入: 2.7-4.5VDC
43
+- 输出:5VDC/4A(20W)
44
+- 工作温度：-40℃℃~+85℃℃
45
+- 安装方式：贴片和插件
46
+- 产品尺寸：25X17X5.8mm
47
+
48
+
49
+## bq25570 — Nano Power Boost Charger / Buck for Energy Harvesting
50
+
51
+Texas Instruments bq25570 is an ultra-low-power boost charger and buck regulator optimized for energy-harvesting applications (solar, thermal, piezo, etc.). It combines a cold-start boost converter, battery charging and protection, a programmable buck output, and MPPT (Maximum Power Point Tracking).
52
+
53
+### Key features
54
+
55
+- Ultra low-power DC‑DC boost charger
56
+ - Cold-start voltage: VIN ≥ 600 mV
57
+ - Continuous energy harvesting from VIN as low as 100 mV (after cold start)
58
+ - Input-voltage regulation to prevent collapsing very high‑impedance sources
59
+ - Full operating quiescent current: 488 nA (typ.)
60
+ - Ship mode with < 5 nA battery leakage
61
+- Energy storage
62
+ - Supports storing harvested energy to rechargeable Li‑ion batteries, thin‑film batteries, supercapacitors, or conventional capacitors
63
+- Battery charging and protection
64
+ - Internal undervoltage threshold
65
+ - User-programmable overvoltage levels
66
+- Battery-Good output flag
67
+ - Programmable threshold and hysteresis
68
+ - Alerts attached microcontrollers of pending power loss
69
+ - Can be used to enable/disable system loads
70
+- Programmable step‑down regulated output (buck)
71
+ - High efficiency up to ~93%
72
+ - Supports peak output current up to ~110 mA (typical)
73
+- Programmable Maximum Power Point Tracking (MPPT)
74
+ - Optimizes energy extraction from a variety of harvesters (solar panels, thermal generators, piezoelectric devices)
75
+
76
+### Quick specs
77
+
78
+| Item | Typical value |
79
+| -------------------------- | ------------------: |
80
+| Cold-start VIN | ≥ 600 mV |
81
+| Harvesting VIN (operating) | ≥ 100 mV |
82
+| Quiescent current | ~488 nA (operating) |
83
+| Ship-mode battery leakage | < 5 nA |
84
+| Buck efficiency | Up to ~93% |
85
+| Buck peak output current | ~110 mA (typ) |
86
+
87
+Datasheet and reference
88
+
89
+- TI bq25570 datasheet: https://www.ti.com/lit/ds/symlink/bq25570.pdf
90
+
91
+## ref
92
+
93
+- [[compete]]
... ...
\ No newline at end of file
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@@ -0,0 +1,28 @@
1
+
2
+
3
+# TPS6123x-dat
4
+
5
+- [[TPS6123x-dat]] - [[TI-power-dcdc-boost-dat]]
6
+
7
+## TPS6123x
8
+
9
+TPS61230, TPS61231, TPS61232 - TPS6123x High Efficiency Synchronous Step Up Converters with 5-A Switches
10
+
11
+![](2026-03-05-13-25-28.png)
12
+
13
+
14
+
15
+Applications
16
+- Low Voltage Li-lon Battery Powered Products USB Power Supply
17
+- Tablet PCs
18
+- Power Banks, Battery Backup Units
19
+- Industrial Metering Equipments
20
+
21
+
22
+## SCH
23
+
24
+![](2026-03-05-13-30-51.png)
25
+
26
+
27
+
28
+## ref
... ...
\ No newline at end of file
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... ...
@@ -0,0 +1,79 @@
1
+
2
+
3
+# TI-power-dcdc-down-dat
4
+
5
+
6
+
7
+
8
+- [[ti-power-dat]] - [[ti-power-dcdc-down-dat]] - [[ti-battery-charger-dat]] - [[ti-power-dcdc-boost-dat]]
9
+
10
+- [[power-dat]] - [[battery-dat]]
11
+
12
+
13
+
14
+
15
+## buck regulator
16
+
17
+- [[TPS62088-dat]]
18
+
19
+## TPS5450
20
+
21
+- [[TPS5450-dat]]
22
+
23
+TPS5450 5-A, Wide Input Range, Step-Down Converter
24
+
25
+
26
+1 Features
27
+
28
+- • Wide input voltage range: 5.5 V to 36 V
29
+- • Up to 5-A continuous (6-A peak) output current
30
+- • High efficiency greater than 90% enabled by 110- mΩ integrated MOSFET switch
31
+- • Wide output voltage range: adjustable down to 1.22 V with 1.5% initial accuracy
32
+- • Internal compensation minimizes external part count
33
+- • Fixed 500-kHz switching frequency for small filter size
34
+- • 18-μA shutdown supply current
35
+- • Improved line regulation and transient response by input voltage feedforward
36
+- • System protected by overcurrent limiting, overvoltage protection, and thermal shutdown
37
+- • –40°C to 125°C operating junction temperature range
38
+- • Available in small thermally enhanced 8-pin SOIC PowerPAD™ package
39
+
40
+
41
+
42
+
43
+
44
+- [[TPS54302-dat]] == TPS54302 4.5-V to 28-V Input, 3-A Output, EMI-Friendly Synchronous Step-Down Converter
45
+
46
+**TPS54202** 4.5-V to 28-V Input, 2-A Output, EMI Friendly Synchronous Step Down Converter
47
+
48
+DCDC降压芯片用Ti的TPS54335A，支持4.5V-28V宽电压输入。
49
+
50
+![](2025-06-19-17-47-13.png)
51
+
52
+### TLV62569 2-A High Efficiency Synchronous Buck Converter in SOT Package
53
+
54
+
55
+
56
+### LM2853 3-A 550-kHz Synchronous Buck Regulator
57
+
58
+- • Input Voltage Range of 3 V to 5.5 V
59
+- • Factory EEPROM Set Output Voltages From 0.8 V to 3.3 V in 100 mV Increments
60
+- • Maximum Load Current of 3A
61
+- • Voltage Mode Control
62
+- • Internal Type-Three Compensation
63
+- • Switching Frequency of 550 kHz
64
+- • Low Standby Current of 12 µA
65
+- • Internal 40 mΩ MOSFET Switches
66
+- • Standard Voltage Options – 0.8/1.0/1.2/1.5/1.8/2.5/3.0/3.3 Volts
67
+- • Exposed Pad 14-Lead HTSSOP (PWP) Package
68
+
69
+
70
+### TPS56320x 4.5V to 17V Input, 3A Synchronous Step-Down Voltage Regulator in SOT-23
71
+
72
+The TPS563201 and TPS563208 are simple, easy-to-use, 3A synchronous step-down converters in SOT-23 package.
73
+
74
+
75
+
76
+
77
+
78
+## ref
79
+
Chip-dat/TI-dat/TI-Power-dat/TI-power-dcdc-down-dat/TPS5430-dat/2025-12-25-20-41-03.png
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Chip-dat/TI-dat/TI-Power-dat/TI-power-dcdc-down-dat/TPS5430-dat/TPS5430-dat.md
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@@ -0,0 +1,20 @@
1
+
2
+# TPS5430-dat
3
+
4
+TPS543x 3A, Wide Input Range, Step-Down Converter
5
+
6
+Wide input voltage range:
7
+– TPS5430: 5.5V to 36V
8
+– TPS5431: 5.5V to 23V
9
+
10
+
11
+Available in small thermally enhanced 8-pin SO PowerPAD™ integrated circuit package
12
+
13
+- [[resistor-feedback-dat]]
14
+
15
+![](2025-12-25-20-41-03.png)
16
+
17
+
18
+## ref
19
+
20
+- [[ti-power-dat]]
... ...
\ No newline at end of file
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@@ -0,0 +1,42 @@
1
+
2
+# TPS54302-dat
3
+
4
+TPS54302 4.5-V to 28-V Input, 3-A Output, EMI-Friendly Synchronous Step-Down Converter
5
+
6
+![](2024-04-29-15-58-23.png)
7
+
8
+| Parts | Common Value | Note |
9
+| ----- | ------------ | ---- |
10
+| Cin | 10+0.1 | |
11
+| Cboot | 0.1 | |
12
+| Lo | 10uh | |
13
+| Rfb1 | 100K | |
14
+| Rfb2 | 13.3K | |
15
+| Cfb | 75pf | |
16
+| Co | 22uf x2 | |
17
+
18
+SOT-23 (6) package
19
+
20
+
21
+![](2024-04-29-16-00-08.png)
22
+
23
+- [[dcdc-down-output-dat]]
24
+
25
+https://www.ti.com/lit/ds/symlink/tps54302.pdf
26
+
27
+## inductor
28
+
29
+Lmin = [ 5V * (18V-5V) ] / 18V * Kin * Iout * Fsw
30
+
31
+For this design example, use KIND = 0.35. The minimum inductor value is calculated as 9.78 μH. For this design, a close standard value of 10 μH was selected for LMIN.
32
+
33
+- Larger value inductors have lower AC current and result in lower output voltage ripple.
34
+- Smaller inductor values increase AC current and output voltage ripple.
35
+
36
+![](2024-08-05-13-31-08.png)
37
+
38
+- [[inductor]]
39
+
40
+## ref
41
+
42
+- [[TPS54302]]
... ...
\ No newline at end of file
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@@ -0,0 +1,11 @@
1
+
2
+# TPS62088-dat
3
+
4
+
5
+TPS62088 and TPS6208xA 2.4V to 5.5V Input, Tiny 6-Pin, 2A/3A Step-Down Converter
6
+in 1.2mm × 0.8mm Wafer Chip Scale Package Designed for Embedding
7
+
8
+
9
+![](2024-07-05-19-00-43.png)
10
+
11
+- [[Y7080E-dat]]
... ...
\ No newline at end of file
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... ...
@@ -1,20 +0,0 @@
1
-
2
-# TPS5430-dat
3
-
4
-TPS543x 3A, Wide Input Range, Step-Down Converter
5
-
6
-Wide input voltage range:
7
-– TPS5430: 5.5V to 36V
8
-– TPS5431: 5.5V to 23V
9
-
10
-
11
-Available in small thermally enhanced 8-pin SO PowerPAD™ integrated circuit package
12
-
13
-- [[resistor-feedback-dat]]
14
-
15
-![](2025-12-25-20-41-03.png)
16
-
17
-
18
-## ref
19
-
20
-- [[ti-power-dat]]
... ...
\ No newline at end of file
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... ...
@@ -1,42 +0,0 @@
1
-
2
-# TPS54302-dat
3
-
4
-TPS54302 4.5-V to 28-V Input, 3-A Output, EMI-Friendly Synchronous Step-Down Converter
5
-
6
-![](2024-04-29-15-58-23.png)
7
-
8
-| Parts | Common Value | Note |
9
-| ----- | ------------ | ---- |
10
-| Cin | 10+0.1 | |
11
-| Cboot | 0.1 | |
12
-| Lo | 10uh | |
13
-| Rfb1 | 100K | |
14
-| Rfb2 | 13.3K | |
15
-| Cfb | 75pf | |
16
-| Co | 22uf x2 | |
17
-
18
-SOT-23 (6) package
19
-
20
-
21
-![](2024-04-29-16-00-08.png)
22
-
23
-- [[dcdc-down-output-dat]]
24
-
25
-https://www.ti.com/lit/ds/symlink/tps54302.pdf
26
-
27
-## inductor
28
-
29
-Lmin = [ 5V * (18V-5V) ] / 18V * Kin * Iout * Fsw
30
-
31
-For this design example, use KIND = 0.35. The minimum inductor value is calculated as 9.78 μH. For this design, a close standard value of 10 μH was selected for LMIN.
32
-
33
-- Larger value inductors have lower AC current and result in lower output voltage ripple.
34
-- Smaller inductor values increase AC current and output voltage ripple.
35
-
36
-![](2024-08-05-13-31-08.png)
37
-
38
-- [[inductor]]
39
-
40
-## ref
41
-
42
-- [[TPS54302]]
... ...
\ No newline at end of file
Chip-dat/TI-dat/TI-Power-dat/TPS62088-dat/2024-07-05-19-00-43.png
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@@ -1,6 +0,0 @@
1
-
2
-# TPS62088-dat
3
-
4
-![](2024-07-05-19-00-43.png)
5
-
6
-- [[Y7080E-dat]]
... ...
\ No newline at end of file
Chip-dat/TI-dat/TI-Power-dat/ti-battery-charger-dat/ti-battery-charger-dat.md
... ...
@@ -0,0 +1,4 @@
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+
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+# ti-battery-charger-dat
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Chip-dat/TI-dat/TI-Power-dcdc-boost-dat/TI-Power-dcdc-boost-dat.md
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-# TI-power-dcdc-boost-dat
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-# TI-Power-dcdc-boost-dat
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-
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-- [[TPS6123x-dat]] - [[TI-power-dcdc-boost-dat]]
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-
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-- [[power-bank-dat]]
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-
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-- [[power-UPS-dat]] - [[MCP73871-dat]] - [[microchip-power-dat]] - [[TPS6123x-dat]] - [[TI-power-dcdc-boost-dat]]
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-
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-## DCDC boost
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-
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-- [[LM2577-dat]]
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-- [[TI-power-dat]] - [[TPS61088-dat]] - [[LM2577-dat]]
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-
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-== S61088
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-TPS61088 10-A Fully-Integrated Synchronous Boost Converter
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-![](2026-02-12-19-27-44.png)
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-![](2026-02-12-19-39-14.png)
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-TPS61088芯片
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-
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-- 输入: 2.7-4.5VDC
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-- 输出:5VDC/4A(20W)
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-- 工作温度：-40℃℃~+85℃℃
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-- 安装方式：贴片和插件
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-- 产品尺寸：25X17X5.8mm
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-
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-
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-## bq25570 — Nano Power Boost Charger / Buck for Energy Harvesting
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-
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-Texas Instruments bq25570 is an ultra-low-power boost charger and buck regulator optimized for energy-harvesting applications (solar, thermal, piezo, etc.). It combines a cold-start boost converter, battery charging and protection, a programmable buck output, and MPPT (Maximum Power Point Tracking).
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-### Key features
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-
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-- Ultra low-power DC‑DC boost charger
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- - Cold-start voltage: VIN ≥ 600 mV
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- - Continuous energy harvesting from VIN as low as 100 mV (after cold start)
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- - Input-voltage regulation to prevent collapsing very high‑impedance sources
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- - Full operating quiescent current: 488 nA (typ.)
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- - Ship mode with < 5 nA battery leakage
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-- Energy storage
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- - Supports storing harvested energy to rechargeable Li‑ion batteries, thin‑film batteries, supercapacitors, or conventional capacitors
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-- Battery charging and protection
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- - Internal undervoltage threshold
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- - User-programmable overvoltage levels
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-- Battery-Good output flag
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- - Programmable threshold and hysteresis
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- - Alerts attached microcontrollers of pending power loss
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- - Can be used to enable/disable system loads
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-- Programmable step‑down regulated output (buck)
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- - High efficiency up to ~93%
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- - Supports peak output current up to ~110 mA (typical)
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-- Programmable Maximum Power Point Tracking (MPPT)
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- - Optimizes energy extraction from a variety of harvesters (solar panels, thermal generators, piezoelectric devices)
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-
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-### Quick specs
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-
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-| Item | Typical value |
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-| -------------------------- | ------------------: |
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-| Cold-start VIN | ≥ 600 mV |
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-| Harvesting VIN (operating) | ≥ 100 mV |
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-| Quiescent current | ~488 nA (operating) |
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-| Ship-mode battery leakage | < 5 nA |
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-| Buck efficiency | Up to ~93% |
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-| Buck peak output current | ~110 mA (typ) |
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-
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-Datasheet and reference
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-
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-- TI bq25570 datasheet: https://www.ti.com/lit/ds/symlink/bq25570.pdf
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-
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-## ref
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-
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-- [[compete]]
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\ No newline at end of file
Chip-dat/TI-dat/TI-Power-dcdc-boost-dat/TPS6123x-dat/2026-03-05-13-25-28.png
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Chip-dat/TI-dat/TI-Power-dcdc-boost-dat/TPS6123x-dat/TPS6123x-dat.md
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-# TPS6123x-dat
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-- [[TPS6123x-dat]] - [[TI-power-dcdc-boost-dat]]
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-
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-## TPS6123x
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-
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-TPS61230, TPS61231, TPS61232 - TPS6123x High Efficiency Synchronous Step Up Converters with 5-A Switches
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-
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-![](2026-03-05-13-25-28.png)
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-
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-Applications
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-- Low Voltage Li-lon Battery Powered Products USB Power Supply
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-- Tablet PCs
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-- Power Banks, Battery Backup Units
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-- Industrial Metering Equipments
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-
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-## SCH
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-
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-![](2026-03-05-13-30-51.png)
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-## ref
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battery-dat/battery-holder-dat/battery-holder-dat.md
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- [[battery-size-dat]] - [[18650-dat]] - [[18350-dat]] - [[26650-dat]] - [[14450-dat]]
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- [[18650-battery-holder-dat]]
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power-dat/DCDC-dat/dcdc-down-dat/dcdc-down-dat.md
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- [[MPS-dat]] - [[MP1658-dat]] - [[MPM3610-dat]] - [[MP1584-dat]] - [[MP2315-dat]]
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-- [[TI-power-dat]] - [[TPS54302-dat]]
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+- [[TI-power-dat]]
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+- [[ti-power-dat]] - [[ti-power-dcdc-down-dat]] - [[ti-battery-charger-dat]] - [[ti-power-dcdc-boost-dat]]
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- [[silergy-dat]] - [[SY8205-dat]] - [[OPM1192-dat]]
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