The document introduces the features and characteristics of the L9352B four-channel valve driver product, including four low-voltage output drivers, short circuit protection, selective overtemperature shutdown, open load and overload current detection, ground and power supply loss detection, external clock control, recirculation path control, regulator drift detection, regulator error control, electrostatic discharge (ESD) protection, etc.
The L9352B is an integrated quad low-side power switch designed to drive inductive loads such as valves used in ABS systems. It features four independent channels: two are conventional switches rated at 5 A, while the other two function as current regulators with a range from 0 mA to 2.25 A.
The device includes comprehensive protection mechanisms including short circuit protection, open load detection, and status monitoring for all channels. It is housed in a PowerSO-36 package which integrates cooling areas and free-wheeling/clamping Z-diodes.
| Output current (Channels 1 & 2) | 5 A limited |
|---|---|
| Output current (Channels 3 & 4) | 2.5 A limited |
| ON-resistance | 0.2 Ω typ. |
| Supply voltage range | -0.3 V to 6 V |
| Package type | PowerSO-36 |
The two regulated channels have a current range from 0 mA to 2.25 A.
Yes, all channels are protected against fail functions including short circuit protection.