TI DRV8244SQRYJRQ1

The DRV824x-Q1 device family are fully integrated H-bridge drivers designed for various automotive applications. The device can be configured as a single full-bridge driver or two independent half-bridge drivers. This monolithic power package device system, designed using BiCMOS high-power process technology nodes, delivers excellent power handling capability and thermal performance. It features a compact package size, ease of layout, EMI control, precise current sensing and diagnostics, and high robustness. The family offers identical pin functions and scalable RON (current capability) to support different loads.

These devices integrate 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 also provided to achieve lower quiescent current. The devices offer voltage monitoring, load diagnostics, overcurrent protection, and overtemperature protection. Fault conditions are indicated on the nFAULT pin. These devices are available in three variants — hardwired interface: HW (H), and two SPI interface variants: SPI (P) and SPI (S), where SPI (P) is used with an externally supplied logic power supply and SPI (S) is used with an internally generated logic power supply. The SPI interface variants enable more flexible device configuration and fault monitoring.

• AEC-Q100 qualified for automotive applications: Temperature Grade 1: -40°C to +125°C, TA
• Documentation available for functional safety system design
• 4.5V to 35V (40V absolute maximum) operating voltage range
• VQFN-HR package: RON_LS + RON_HS: 47mΩ; HVSSOP package: RON_LS + RON_HS: 60mΩ
• IOUT maximum = 21A
• PWM operating frequency up to 25KHz with automatic dead-time assertion
• Configurable slew rate and spread-spectrum clock for low EMI
• Integrated current sensing (no shunt resistor required)
• Proportional load current output on IPROPI pin
• Configurable current regulation
• Protection and diagnostic features with configurable fault response (latch or retry)
• Load diagnostics in open and closed states to detect open-load and short-circuit conditions
• Voltage monitoring on power supply (VM)
• Overcurrent protection
• Overtemperature protection
• Fault indication on nFAULT pin
• Supports 3.3V and 5V logic inputs
• Low sleep current: 1μA typical at 25°C
• 3 variants: HW (H), SPI (S), or SPI (P)
• Configurable control modes: single full-bridge via PWM or PH/EN mode; two half-bridges via independent mode

• Automotive brushed DC motors and solenoids
• Door modules, wiper modules, trunk and seat modules
• Body Control Module (BCM)
• Steering systems
• Gasoline engine systems
• On-board chargers