1. 12 V DC power supply connector
2. Connector for DC motors
3. Current sensing network based on the internal operational amplifier of the L99H92 driver
4. External current sensing network based on the TSC103
5. Fail-safe input negative button
6. RSENSE for the current sensing networks
7. Connector for the L99H92 driver control
8. Connector for the supply of the L99H92 I/Os and current sense amplifier output stage
9. SPI connector
10. Sensing (current sensing and supply sensing) connector
11. L99H92 driver
12. STL285N4F7AG external MOSFET for full-bridge/half-bridge configuration
13. TSC103 operational amplifier for the high-side current sensing
14. External reverse battery protection