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Chip-dat/TI-dat/TI-Motor-dat/DRV8871-dat/DRV8871-dat.md
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+
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+# DRV8871-dat
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+
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+![](2025-05-23-02-36-50.png)
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+
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+https://www.ti.com/lit/ds/symlink/drv8871.pdf?ts=1747938993424&ref_url=https%253A%252F%252Fwww.google.com.hk%252F
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+
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+## APPs
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+
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+![](2025-05-23-02-37-14.png)
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+
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+
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+## ✅ Can I Use DRV8871 to Drive a Gear DC Motor?
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+
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+Yes, you **can use the DRV8871 to drive a gear DC motor**, and it's actually **a good choice** in many applications.
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+
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+---
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+
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+### ✅ Why DRV8871 Is Suitable for Gear DC Motors
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+
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+| Feature | Description |
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+|--------------------------|-----------------------------------------------------------------------------|
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+| **Voltage Range** | 6.5V to 45V — supports most DC gear motors |
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+| **Current Capability** | 3.6A continuous, 6A peak — suitable for medium-to-high torque gear motors |
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+| **PWM Control** | Supports PWM input — lets you control speed effectively |
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+| **Built-in Protection** | Overcurrent, undervoltage, thermal shutdown, and shoot-through protection |
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+| **Brushed DC Motor** | Designed for brushed DC motors, which includes most gear motors |
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+
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+---
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+
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+### ⚠️ Things to Check Before Using
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+
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+1. **Motor Voltage**: Must be within 6.5V–45V.
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+2. **Motor Current**: Peak current should not exceed 6A.
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+3. **Heatsinking**: May be required for high current loads to prevent overheating.
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+
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+---
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+
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+### 🛠 Example Use Case
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+
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+- A **12V gear motor** drawing **1–2A average** and **<6A peak** is **ideal** for DRV8871.
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+- Great for applications like:
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+ - Robot arms
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+ - Mobile platforms
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+ - Mechanisms with high starting torque
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+
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+## ref
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+
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+- [[DRV8871-dat]]
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Chip-dat/TI-dat/TI-Motor-dat/TI-Motor-dat.md
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## compare
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+
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+| Chip | Motor Type | Voltage Range (V) | Continuous Current (A) | Peak Current (A) | RDS(on) (mΩ) | Control Interface | Features |
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+| ------- | -------------------- | ----------------- | ---------------------- | ----------------- | ------------ | ----------------- | ----------------------------------------------------------------------- |
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+| DRV8313 | 3-Phase BLDC | 8 – 60 | 2.5 | — | — | PWM | Triple half-bridge, integrated FETs, supports BLDC motors |
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+| DRV8837 | Brushed DC | 1.8 – 11 | 1 | 1.8 | 280 | PWM | Single H-bridge, low voltage, compact design |
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+| DRV8848 | Brushed DC / Stepper | 4 – 18 | 2 (per H-bridge) | 4 (parallel mode) | 900 | PWM | Dual H-bridge, supports stepper and DC motors, parallel mode capability |
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+| DRV8833 | Brushed DC / Stepper | 2.7 – 10.8 | 1.5 (per H-bridge) | 2 | 360 | PWM | Dual H-bridge, current regulation, outputs can be paralleled |
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+| DRV8834 | Stepper | 2.5 – 10.8 | 1.5 | 2 | 600 | STEP/DIR | Microstepping up to 1/32, low voltage operation |
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+| DRV8825 | Stepper | 8.2 – 45 | 2.5 | 3 | 400 | STEP/DIR | Microstepping up to 1/32, high voltage support |
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+| DRV8835 | Brushed DC | 2 – 11 | 1.5 (per H-bridge) | 1.5 | 280 | PWM | Dual H-bridge, low voltage, compact design |
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+| DRV8870 | Brushed DC | 6.5 – 45 | 3.5 | 5 | 565 | PWM | Single H-bridge, current regulation, fault reporting |
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+| DRV8871 | Brushed DC | 6.5 – 45 | 3.6 | 6 | 565 | PWM | Single H-bridge, current regulation, fault reporting |
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+| DRV8872 | Brushed DC | 6.5 – 45 | 3.6 | 3.7 | 565 | PWM | Single H-bridge, current regulation, fault reporting |
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+
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+
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+
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| Feature/Specification | **DRV8837** | **DRV8833** | **DRV8825** |
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| --------------------------- | ---------------------------------- | ---------------------------------- | ------------------------------ |
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| **Type** | Low-Voltage Motor Driver | Dual H-Bridge Motor Driver | Stepper Motor Driver |
Tech-dat/acturator-dat/motor-driver-dat/motor-driver-dat.md
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# motor-driver-dat
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+- [[motor-dat]]
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+
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[legacy wiki page](https://www.electrodragon.com/w/Category:Driver_Board)
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## Board
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- [[L293-dat]] - [[L298-dat]]
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-- [[DRV8833-dat]] - [[DRV8825-dat]] - [[drv8837-dat]] - [[drv8313-dat]]
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+- [[TI-motor-dat]] - [[DRV8833-dat]] - [[DRV8825-dat]] - [[drv8837-dat]] - [[drv8313-dat]] - [[DRV8871-dat]]
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- [[ULN2003-dat]]
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- overcurrent / thermal shutdown protection / microstepping / precise motor control
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+
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+## Comparison
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+
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+| Feature | TB6612FNG | L298N |
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+| ----------------------- | ------------------- | ------------------- |
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+| Motor Voltage Range | 2.5V – 13.5V | 5V – 46V |
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+| Logic Voltage Range | 2.7V – 5.5V | 5V – 7V |
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+| Continuous Current / ch | ~1.2A | 2A |
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+| Peak Current / ch | 3.2A (short bursts) | 3A (non-repetitive) |
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+| Efficiency | High (CMOS) | Low (Bipolar) |
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+| Voltage Drop | ~0.2V | ~1.8V – 3V |
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+| Heat Output | Low | High |
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+| PWM Frequency Support | Up to 100 kHz | <25 kHz |
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+| Size | Small, modern | Large, bulky |
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+| Cost | Moderate | Low |
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+
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+| Chip/Module | Voltage Range | Continuous Current | PWM Freq. | Features & Notes |
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+| ------------- | ------------- | ------------------- | ------------ | -------------------------------------------------------------------------- |
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+| **TB6612FNG** | 2.5V – 13.5V | 1.2A/ch (3.2A peak) | Up to 100kHz | Efficient CMOS, low heat, great for small robots |
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+| **DRV8833** | 2.7V – 10.8V | 1.5A/ch (2A peak) | Up to 250kHz | Compact, efficient, built-in protection, ideal for small DC motors |
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+| **DRV8871** | 6.5V – 45V | 3.6A (6A peak) | ~100kHz | Single-channel, robust, good for mid-power motors |
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+| **DRV8876** | 4.5V – 37V | 3.5A (5A peak) | ~100kHz | Smart current regulation, overtemp/short protection |
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+| **MC33926** | 5V – 28V | 3A (5A peak) | Up to 20kHz | Automotive-grade, robust with fault reporting |
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+| **VNH5019** | 5.5V – 24V | 12A (30A peak) | ~20kHz | High-power, onboard protection, great for large motors |
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+| **BTN7960B** | 5.5V – 27V | 43A (55A peak) | ~25kHz | High-current half-bridge, excellent for industrial/heavy-duty applications |
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+
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## ref
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42 70
- [[FOC-dat]]
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Tech-dat/tech-dat.md
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- [[sensor-dat]] - [[current-sensor-dat]] - [[current-transformer-dat]]
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-- [[acturator-dat]] - [[motor-dat]]
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+- [[acturator-dat]] - [[motor-dat]] - [[motor-driver-dat]]
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