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Texas Instruments DRV824x-Q1 40V 32A H-Bridge Driver is a fully integrated H-bridge driver intended for a wide range of automotive applications. The device can be configured as a single full-bridge driver or two independent half-bridge drivers. Designed in a BiCMOS high-power process technology node, this monolithic family of devices in a power package offers excellent power handling and thermal capability. It also provides compact package size, ease of layout, EMI control, accuracy, current sense, robustness, and diagnostic capability. This family also has an identical pin function with scalable RON (current capability) to support different loads.
The Texas Instruments DRV824x-Q1 integrates an N-channel H-bridge, charge pump regulator, high-side current sensing and regulation, current proportional output, and protection circuitry. A low-power sleep mode is provided to achieve low quiescent current. The devices offer voltage monitoring, load diagnostics, and protection features against overcurrent and over-temperature. Fault conditions are indicated on the nFAULT pin. The devices are available in three variants – hardwired interface: HW (H) and two SPI interface variants: SPI(P) and SPI(S), with SPI (P) for externally supplied logic supply and SPI (S) for internally generated logic supply. The SPI interface variants offer more flexibility in device configuration and fault observability.
