BOM-DAT/mosfet-dat/mosfet-rank-dat/mosfet-rank-dat.md
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@@ -7,6 +7,10 @@ HYG065N07NS1P/B - 70V/100A
7 7
https://www.hestore.hu/prod_getfile.php?id=15681&srsltid=AfmBOoo57gQPqB8X-RwqrgIKHL7YuFWOXxVQigf2KxsxRVWW0RUOsAZI
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+BUK9M34-100E - N-channel 100 V, 34 mΩ logic level MOSFET in LFPAK33 - 29A
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+
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+
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+
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## ref
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12 16
- [[mosfet-dat]]
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\ No newline at end of file
Chip-dat/Microchip-dat/microchip-MCU-dat/microchip-MCU-dat.md
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@@ -12,6 +12,9 @@
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## microchip-MCU
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+
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+
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+
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### PIC24
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PIC24FJ128GB106-I/PT - PIC PIC® 24F Microcontroller IC 16-Bit 32MHz 128KB (43K x 24) FLASH 64-TQFP (10x10)
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@@ -19,6 +22,16 @@ PIC24FJ128GB106-I/PT - PIC PIC® 24F Microcontroller IC 16-Bit 32MHz 128KB (43K
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### PIC32
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+PIC32MZ 2064DAG176
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+
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+- Part Family:PIC32MZDA
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+- CPU Type:32-bit MIPS MCU
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+- MaxSpeed (MHz):200
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+- Program Memory Size (KB):2048
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+- SRAM (KB):640
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+- Temp. Range Min.:-40
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+
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+
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PIC32CX1025SG61100 - PIC32CX 1MB Flash/256KB RAM with OTP Security and Secure Subsytem
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PIC32MZ2064DAG176
Chip-dat/ST-dat/st-motor-driver-dat/st-motor-driver-dat.md
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@@ -0,0 +1,22 @@
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+
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+
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+# st-motor-driver-dat
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+
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+## L6205 == DMOS DUAL FULL BRIDGE DRIVER
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+
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+- OPERATING SUPPLY VOLTAGE FROM 8 TO 52V
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+- 5.6A OUTPUT PEAK CURRENT (2.8A DC)
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+- RDS(ON) 0.3Ω TYP. VALUE @ Tj = 25 °C
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+- OPERATING FREQUENCY UP TO 100KHz
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+- NON DISSIPATIVE OVERCURRENT PROTECTION
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+- PARALLELED OPERATION
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+- CROSS CONDUCTION PROTECTION
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+- THERMAL SHUTDOWN
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+- UNDER VOLTAGE LOCKOUT
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+- INTEGRATED FAST FREE WHEELING DIODES
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+
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+
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+
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+## ref
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+
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+
Chip-dat/bosch-dat/bosch-dat.md
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@@ -47,6 +47,24 @@ It supports I2C/SPI communication for real-time data collection and is compatibl
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- [[logic-level-shifter-dat]]
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+
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+## CJ125 - Oxygen sensor control & evaluation IC
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+
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+CJ125 is the ideal companion for Bosch oxygen sensor LSU4.x. It includes all circuitry for accurate sensor operation.
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+
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+CJ125 supports the continuous regulation of Lambda in the range of ʎ= 0.65 to ∞ (air).
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+
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+- Type
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+- Oxygen sensor control & evaluation IC
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+- Package
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+- LQFP32
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+- Features
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+- Lambda measurement
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+- Probe temperature measurement
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+- Programmable reference pump current Diagnostics
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+- Recommmended for new applications
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+
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+
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## BMM350
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- [[3-Axis-Magnetic-dat]]
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@@ -82,6 +100,14 @@ Comparison Table of BMM150 and BMM350
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![](2025-07-13-02-13-16.png)
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+
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+
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+
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+
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+
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+
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+
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+
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## ref
86 112
87 113
- [[chip-dat]]
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\ No newline at end of file
Chip-dat/holtek-dat/holtek-MCU-dat.md
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@@ -0,0 +1,28 @@
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+
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+
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+# holtek-MCU-dat
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+
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+HT32F12365 / HT32F12366 / HT32F22366
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+
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+32-Bit Arm® Cortex®-M3 MCU
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+
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+
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+These devices are high performance, low power consumption 32-bit microcontrollers based around an Arm® Cortex®-M3 processor core. The Cortex®-M3 is a next-generation processor core which is tightly coupled with Nested Vectored Interrupt Controller (NVIC), SysTick timer, and includes advanced debug support.
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+
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+The devices operate at a frequency of up to 96 MHz with a Flash accelerator to obtain maximum efficiency. They provide up to 256 KB of embedded Flash memory for code/data storage and 128 KB of embedded SRAM memory for system operation and application program usage. A variety of peripherals, such as ADC, I2C, USART, UART, SPI, I2S, PDMA, GPTM, MCTM, SCI, EBI, CRC-16/32, AES-128/256, USB2.0 FS, SDIO, CSIF and SWJ-DP (Serial Wire and JTAG Debug Port), etc., are also implemented in the devices series. Several power saving modes provide the flexibility for maximum optimization between wakeup latency and power consumption, an especially important consideration in low power applications.
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+
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+The above features ensure that the devices are suitable for use in a wide range of applications, especially in areas such as white goods application control, power monitors, alarm systems, consumer products, handheld equipment, data logging applications, motor control, fingerprint recognition and so on.
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+
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+
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+## Core
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+
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+- 32-bit Arm® Cortex®-M3 processor core
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+- Up to 96 MHz operating frequency
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+- Single-cycle multiplication and hardware division
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+- Integrated Nested Vectored Interrupt Controller (NVIC)
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+- 24-bit SysTick timer
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+
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+
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+## ref
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+
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+- [[holtek-dat]] - [[holtek-MCU-dat]]
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\ No newline at end of file
Chip-dat/raspberry-pi-dat/RPI-MCU-dat/RP2350-dat/2026-03-10-19-59-01.png
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Binary files /dev/null and b/Chip-dat/raspberry-pi-dat/RPI-MCU-dat/RP2350-dat/2026-03-10-19-59-01.png differ
Chip-dat/raspberry-pi-dat/RPI-MCU-dat/RP2350-dat/RP2350-dat.md
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@@ -5,6 +5,8 @@
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- [[DOD1123-dat]]
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+![](2026-03-10-19-59-01.png)
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+
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## info
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[datasheet](https://datasheets.raspberrypi.com/rp2350/rp2350-datasheet.pdf)
Tech-dat/MCU-dat/mcu-dat.md
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@@ -37,6 +37,7 @@
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- [[NXP-dat]]
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+- [[holtek-dat]] - [[holtek-MCU-dat]]
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## other types
Tech-dat/Sensor-dat/sensor-power-dat/sensor-current-dat/sensor-dc-current-dat/sensor-dc-current-dat.md
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@@ -21,6 +21,9 @@ Genuine INA199B1DCKR SC-70-6 Bidirectional Current Sensing Amplifier Chip
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- [[INA128-dat]] - [[INA129-dat]]
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+- INA332
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+
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+
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## diodes
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- [[diodes-dat]]
Tech-dat/acturator-dat/motor-driver-dat/motor-driver-dat.md
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@@ -107,7 +107,7 @@
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- [[Infineon-dat]] - [[BTS7960-dat]]
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-
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+- [[st-motor-driver-dat]] - [[st-dat]]
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power-dat/LDO-dat/LDO-dat.md
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@@ -9,7 +9,7 @@
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- [[TI-power-dat]] - [[TI-LDO-dat]] - [[TI-dat]]
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-
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+- [[power-backfeeding-dat]]
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## boards
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power-dat/power-backfeeding-dat/power-backfeeding-dat.md
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@@ -0,0 +1,26 @@
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+
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+
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+# power-backfeeding-dat
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+
5
+- [[LDO-dat]]
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+
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+When a quadruped robot attempts a dynamic movement like a diagonal trot, it can trigger a critical power failure sequence known as **backfeeding** or **reverse current**. This typically unfolds in four phases:
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+
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+**1. The Transient Load**
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+When the four servos start moving simultaneously, they create a massive, instantaneous demand for electrical power. In engineering, this sudden spike in power demand from the motors is called a **transient load** or **peak current draw**.
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+
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+**2. The Voltage Sag**
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+Because the battery and the boost converter cannot supply this massive amount of current instantly, the electrical "pressure" in the main power line drops. This sudden drop in the supply voltage is called a **voltage sag** (or **voltage dip**). For example, a stable 5V line might briefly collapse to 3V.
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+
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+**3. Backfeeding / Reverse Current**
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+Because the main power line has sagged to 3V, the capacitor sitting next to the microcontroller (which is still fully charged at 5V) suddenly has a *higher* voltage than the main line. Since electricity always flows from high to low voltage, the energy stored in the capacitor flows backward, dumping into the main line to feed the hungry servos. The action of power flowing backward is called **backfeeding**, and the electricity itself is the **reverse current**.
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+
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+**4. The Brownout Reset**
19
+As the capacitor's energy is instantly drained by the servos, the voltage available to the microcontroller drops below its minimum operating requirement. Detecting this critically low voltage, the microcontroller triggers an automatic safety reboot. This specific type of crash is called a **Brownout Reset (BOR)**.
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+
21
+---
22
+*Solution: Adding a Schottky diode between the main line and the capacitor acts as a one-way valve. It physically blocks the backfeeding so the capacitor's energy stays exclusively with the microcontroller, preventing the brownout.*
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+
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+
25
+## ref
26
+
power-dat/power-dat.md
... ...
@@ -35,6 +35,8 @@
35 35
36 36
[[voltage-dat]]
37 37
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+- [[power-backfeeding-dat]]
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+
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## power design workflow
40 42