Overview
The DRV8860PWR, manufactured by Texas Instruments, is a 38-V, 8-channel serial interface low-side driver. This device is designed to provide robust control and protection for various load types, including motors, solenoids, and other inductive loads. It features eight NMOS FETs with built-in overcurrent protection and open/shorted load detection, ensuring reliable operation under diverse conditions.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage (VM) | Up to 38 V |
| Output Current per Channel | Up to 0.3 A |
| Number of Channels | 8 |
| Overcurrent Protection (OCP) Trigger Level | Programmable |
| Open Load Detection (OL) | Yes |
| Thermal Shutdown Temperature | Approximately 150°C |
| Interface | Serial (SPI-compatible) |
| Package Type | TSSOP or equivalent |
Key Features
- Eight NMOS FETs with built-in overcurrent protection and open/shorted load detection.
- Serial interface (SPI-compatible) for easy configuration and control.
- Protection against undervoltage, overcurrent, and overtemperature events.
- Ability to daisy-chain multiple devices using a single serial interface.
- Built-in diodes to clamp turn-off transients.
- Thermal shutdown (TSD) to prevent overheating.
Applications
- Motor control (DC motors, stepper motors, etc.).
- Solenoid control.
- General-purpose inductive load control.
- Industrial automation.
- Automotive systems.
Q & A
- What is the maximum supply voltage for the DRV8860PWR?
The maximum supply voltage is up to 38 V. - How many channels does the DRV8860PWR have?
The DRV8860PWR has 8 channels. - Does the DRV8860PWR have overcurrent protection?
Yes, it has programmable overcurrent protection. - Can multiple DRV8860PWR devices be connected in a daisy-chain configuration?
Yes, multiple devices can be connected using a single serial interface. - What is the thermal shutdown temperature of the DRV8860PWR?
The thermal shutdown temperature is approximately 150°C. - What types of loads can the DRV8860PWR control?
The DRV8860PWR can control motors, solenoids, and other inductive loads. - Does the DRV8860PWR have built-in protection against open loads?
Yes, it has open load detection. - What is the interface type of the DRV8860PWR?
The interface is serial (SPI-compatible). - How is the DRV8860PWR protected against undervoltage events?
The device has undervoltage lockout protection. - What is the recommended bypass capacitor value for the VM pin?
A low-ESR ceramic bypass capacitor with a recommended value of 0.1-μF is recommended.
