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DRV8873SPWPR

40V 10A H-bridge motor driver, integrated current sense, HTSSOP-24

14449

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Pieza del fabricante：

DRV8873SPWPR

Paquete：

HTSSOP-24 (7.8x6.4mm)

Marca：
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Descripción

Productos

The DRV8873SPWPR from TI is a 40V 10A H-bridge motor driver with integrated current mirror sensing, PH/EN or PWM control, and 150mOhm Rds(on) in HTSSOP-24 PowerPAD.

Especificaciones

Paquete HTSSOP-24 (7.8×6.4mm)

Características

  • See datasheet for complete specifications
  • Industry-standard package

Aplicaciones

  • Industrial control
  • Consumer electronics
  • Communication equipment
  • Power management

The DRV8873SPWPR from TI is a 40V 10A H-bridge motor driver with integrated current mirror sensing, PH/EN or PWM control, and 150mOhm Rds(on) in HTSSOP-24 PowerPAD.

The DRV8873SPWPR is a 40V 10A H-bridge motor driver from Texas Instruments in HTSSOP-24, with integrated current sense and diagnostics. The N-channel H-bridge uses four MOSFETs with typical RDS(on) of 55mOhm high-side + 55mOhm low-side per half-bridge (110mOhm total per bridge). The integrated charge pump (CP1/CP2 with external 0.022uF capacitor) generates the gate drive voltage for the high-side N-channel MOSFETs, enabling 100% duty cycle operation. The IN1/IN2 pins control the H-bridge in two modes: PH/EN mode (IN1=direction, IN2=enable PWM) or IN/IN mode (IN1=OUT1 control, IN2=OUT2 control), selected via the nSLEEP pin state at power-up. The IPROPI1/IPROPI2 pins provide analog current sense outputs proportional to the motor current: IIPROPI = IMOTOR x AIPROPI / RIPROPI, where AIPROPI = 545 and RIPROPI is set by an external resistor to GND. This eliminates the need for an external sense resistor and ADC, reducing BOM cost. The nFAULT/SO pin reports over-temperature, over-current, and supply faults. The device includes over-current protection (OCP) at approximately 12A, thermal shutdown at 170C, and undervoltage lockout (UVLO) on VM. The HTSSOP-24 with exposed thermal pad provides 25C/W junction-to-ambient thermal resistance, allowing 2-3W dissipation at 25C ambient. The PWPR suffix specifies HTSSOP-24, tape-and-reel.

Pin Nombre Tipo Función
1 nSLEEP Entrada Sleep mode (HIGH=active, LOW=sleep, 1uA Iq, internal pull-down)
2-3 IN1/IN2 Entrada H-bridge control inputs (PH/EN or IN/IN mode)
4-5 nFAULT/SO Salida Fault output and sense output (shared pin, multiplexed)
6-7 IPROPI1/IPROPI2 Salida Current sense output 1 and 2 (proportional to motor current)
8-9 OUT1/OUT2 Salida H-bridge outputs (connects to motor terminals)
10-12 PGND/AVDD/DVDD Potencia Power ground, internal analog and digital LDOs
13-16 VM/CP1/CP2/PGND Potencia Motor supply (4.5-38V), charge pump, power ground
  • Industrial control
  • Consumer electronics
  • Communication equipment
  • Power management
    • Fabricante Número de pieza Paquete Notas
    Texas Instruments DRV8874RGPR VQFN-24 Similar, 6A, SPI diagnostics
    Texas Instruments DRV8873DDAR HTSSOP-28 Same die, different package, more features
    Infineon BTN8982TA TO-263-7 Half-bridge, 55A, automotive, single bridge
    STMicroelectronics VNH5019ATR-E PowerSSO-36 Full-bridge, 30A, automotive, diagnostics
    Toshiba TB67H450FNG HSOP-8 3.5A H-bridge, simpler, lower cost
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