The MS31860T is a eight-channel low-side driver and includes SPI communication, PWM chopper configuration, overcurrent protection, shortcircuit protection, undervoltage lockout and overtemperature shutdown functions. The MS31860T can read the state of each channel. In addition, it could diagnose load condition of open-circuit and read fault information, which is indicated by external fault pin. The MS31860T can provide up to 330mA duration current (must be featured with good PCB heat dissipation)for each channel (eight channels are enabled). When single channel is enabled, maximum 680mA duration current is available.
Multiple MS31860Ts can be connected together through daisy chain and use one single serial interface. And current and chopper are configured by serial interface. The MS31860T can provide output current for eight channels or single channel.
- ⚫ Eight-channel Low-side Driver
- - Eight NMOS FETs with OCP Function
- - Integrated High-side Body Diode
- - Serial Interface
- - Configurable PWM Duty Cycle
- ⚫ Power Supply: 6.5V to 38V
- ⚫ Digital Input Filter
- ⚫ Read Function for Internal Data
- ⚫ Protection and Diagnose Characteristics
- - Overcurrent Protection (OCP)
- - Open-circuit Load Detection (OL)
- - Overtemperature Shutdown (OTS)
- - Undervoltage Lockout (UVLO)
- - Dependent Channel State Report
- - Fault Alarm