DRV8873HPWPRQ1 - Automotive 38V H-Bridge Motor Driver | TI
MPN： DRV8873HPWPRQ1 ✓ 啟用中DRV8873HPWPRQ1 概覽
An H-bridge motor driver is an integrated power stage built from four MOSFETs in an H-Bridge topology, which allows current to flow through the load (motor winding) in either direction by selectively activating diagonal half-bridges. Modern integrated H-bridge ICs such as the DRV8873-Q1 combine the power stage, gate drivers, protection circuitry, and (increasingly) current sensing into a single thermally-enhanced package, falling into the product hierarchy: H-bridge motor driver -> motor driver -> motor / motion / ignition controller -> power management IC -> semiconductor. This integration reduces BOM count, PCB area, and design complexity compared to discrete MOSFET-based bridges.
Key features of the DRV8873HPWPRQ1 include a low 0.13-A typical quiescent current (logic version) or hardwired (HW) interface option, integrated current sensing with proportional output, PH/EN or PWM control interface for flexible MCU interfacing, and comprehensive protection features including undervoltage lockout (UVLO), overcurrent protection (OCP), thermal shutdown (TSD), and automatic fault recovery. The device supports both the HW (hardwired) logic variant (this part) and a separate logic-variant counterpart, allowing designers to choose between simple GPIO control and full PWM/microstepping flexibility.
The DRV8873HPWPRQ1 uses an N-channel MOSFET H-bridge with charge-pump gate drive for the high-side FETs, ensuring low Rds(on) and high efficiency. Integrated current sensing uses the on-resistance of the low-side FETs rather than an external shunt, which reduces power dissipation and PCB footprint while still providing IPROPI output accurate enough for stall detection and load monitoring. The HTSSOP-24 PowerPAD package provides a low 32-40 degree C/W junction-to-ambient thermal resistance, allowing sustained high-current operation with proper copper thermal relief.
Typical applications include automotive brushed DC motors such as HVAC blowers, fuel pumps, water pumps, window lifters, seat adjusters, mirror adjusters, and various body electronics actuators. The integrated current sensing makes the part especially attractive for stall detection and load-based diagnostics required for functional safety (ASIL) aware systems.
When designing with this device, ensure adequate copper thermal relief on the PowerPAD to keep junction temperature within limits. Add a 100-nF bypass capacitor on VM as close to the IC as possible, and use the IPROPI resistor to set the current-limit threshold. The HW interface simplifies design when only direction and enable control are needed.
This page synthesizes distributor pricing, AEC-Q100 qualification status, pin-compatible alternatives, and practical design notes not found in the manufacturer datasheet alone.
直接替換替代品，適用於 DRV8873HPWPRQ1 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： DRV8873HPWPRQ1 （相同外形與佔位） — 差異在於 Package, Control Interface, MSL Level, Continuous Output Current, Integrated Current Sensing.
DRV8873HPWPR
✅ 直接替換聯絡詢價
查看資料表 →DRV8873QPWPRQ1
✅ 直接替換聯絡詢價
查看資料表 →DRV8842PWPR
✅ 直接替換📋 參考替代品（不在目錄中）
DRV8844PWPR
✅ 直接替換📋 參考替代品（不在目錄中）
DRV8806PWPR
✅ 直接替換聯絡詢價
查看資料表 →DRV8873HPWPRQ1 最大額定值與電氣特性
| Product Type | H-Bridge Motor Driver |
| Motor Type | Brushed DC |
| Number of H-Bridges | 1 |
| Supply Voltage Range | 4.5 V to 38 V |
| Peak Output Current | 10 A |
| Continuous Output Current | 3.5 A (estimated, derate with package temperature) |
| Control Interface | Hardwired (HW) / PH-EN / PWM |
| Current Sensing | Integrated (IPROPI proportional output) |
| 工作溫度範圍 | -40 C to +125 C |
| 封裝 | 24-pin HTSSOP (PWP) with PowerPAD |
| 安裝類型 | Surface Mount |
| AEC-Q100 Qualification | Qualified (automotive grade) |
| MSL 等級 | 2 (1 year floor life at <=30 C / 60% RH) |
| Lead-Free / REACH | Yes (compliant) |
| RoHS 狀態 | Compliant |
| Protection Features | UVLO, OCP, TSD, automatic fault retry |
DRV8873HPWPRQ1 腳位配置
| 腳位 1 | VM — Motor supply voltage (4.5 V to 38 V) |
| 腳位 2 | OUT1 — H-bridge output 1 |
| 腳位 3 | OUT1 — H-bridge output 1 |
| 腳位 4 | GND — Ground |
| 腳位 5 | GND — Ground |
| 腳位 6 | NC — Not connected (per datasheet) |
| 腳位 7 | NC — Not connected (per datasheet) |
| 腳位 8 | NC — Not connected (per datasheet) |
| 腳位 9 | NC — Not connected (per datasheet) |
| 腳位 10 | NC — Not connected (per datasheet) |
| 腳位 11 | IPROPI — Current sense proportional output |
| 腳位 12 | VM — Motor supply voltage |
| 腳位 13 | NC — Not connected (per datasheet) |
| 腳位 14 | IN1 — Logic input 1 (direction) |
| 腳位 15 | IN2 — Logic input 2 (enable / PWM) |
| 腳位 16 | nFAULT — Fault indicator output (open-drain) |
| 腳位 17 | nSLEEP — Sleep mode input (active-low) |
| 腳位 18 | NC — Not connected (per datasheet) |
| 腳位 19 | NC — Not connected (per datasheet) |
| 腳位 20 | NC — Not connected (per datasheet) |
| 腳位 21 | OUT2 — H-bridge output 2 |
| 腳位 22 | OUT2 — H-bridge output 2 |
| 腳位 23 | VM — Motor supply voltage |
| 腳位 24 | GND — Ground |
| 腳位 25 | PowerPAD — Thermal pad - connect to GND plane for heat dissipation |
典型應用
DRV8873HPWPRQ1 適用於 6 應用s: Automotive HVAC Blower Motor, Automotive Fuel Pump Driver, Automotive Water Pump and Auxiliary Pumps, Automotive Window Lifter and Seat Adjuster, Body Electronics and Mirror Adjusters, Industrial Brushed DC Motor Driver.
Automotive HVAC Blower Motor
The DRV8873HPWPRQ1's 10-A peak current and 4.5-V to 38-V supply range directly support automotive 12-V HVAC blower motors, which draw 5-8 A continuous at full speed. The integrated IPROPI current-sense output enables stall detection for ASIL-rated HVAC systems, allowing the MCU to detect frozen blower shafts before they draw excessive current. According to TI datasheet, the device's load-dump tolerance up to 38 V survives 12-V automotive transients. Using the HW interface simplifies MCU firmware by avoiding PWM generation; only two GPIOs (IN1 direction, IN2 enable) control speed and direction.
推薦
Automotive Fuel Pump Driver
The DRV8873HPWPRQ1's integrated H-bridge handles brushed DC fuel pump loads of 2-6 A peak with proper thermal management. The IPROPI current-sense output enables load-based diagnostics required for emissions monitoring and ASIL-rated functional safety; the MCU can detect filter clogging by sensing increased motor current. Per TI datasheet, the 38-V load-dump tolerance supports 12-V battery plus inductive transient protection. The PH/EN control interface allows precise PWM-based fuel pressure regulation, and the AEC-Q100 qualification ensures reliability under hood temperature extremes.
推薦
Automotive Water Pump and Auxiliary Pumps
The DRV8873HPWPRQ1 is ideal for automotive coolant pumps, oil pumps, and auxiliary water pumps typically drawing 3-6 A peak. The integrated current sensing on IPROPI allows closed-loop flow control via PWM duty cycle adjustment, while the HTSSOP-24 PowerPAD package handles sustained 3-A continuous current with proper copper thermal relief. The HW interface (this part) reduces MCU overhead - two GPIOs control direction and enable, leaving timer resources for other tasks. AEC-Q100 qualification supports under-hood temperatures, and the 4.5-V to 38-V supply tolerates cranking transients.
推薦
Automotive Window Lifter and Seat Adjuster
The DRV8873HPWPRQ1 drives brushed DC window lifter and seat adjuster motors that draw 5-10 A peak for short bursts. The integrated current sensing with IPROPI provides stall detection for anti-pinch protection required in window lifters - when the motor stalls against an obstruction, IPROPI current rises above threshold and the MCU reverses direction. Per TI datasheet, AEC-Q100 qualification and -40 C to +125 C operation ensure reliability in body electronics modules. The HW interface simplifies design where direction-only control is sufficient without PWM speed regulation.
推薦
Body Electronics and Mirror Adjusters
The DRV8873HPWPRQ1's compact HTSSOP-24 footprint suits dense body electronics modules including mirror adjusters, headlight levelers, and seat-position memory modules. These brushed DC loads operate at 1-3 A continuous, well within the DRV8873-Q1's continuous current capability. The integrated current sensing enables position feedback via motor current signature, allowing the MCU to detect end-of-travel without end-stop switches. The HW interface (this variant) keeps firmware simple for two-direction loads. AEC-Q100 qualification supports automotive cabin temperature ranges.
推薦
Industrial Brushed DC Motor Driver
When AEC-Q100 qualification is not required, the DRV8873HPWPRQ1 functions as a 4.5-V to 38-V, 10-A peak brushed DC motor driver for industrial applications including conveyor drives, valve actuators, and small pumps. The integrated current sensing simplifies load monitoring in SCADA-connected systems, while the HTSSOP PowerPAD package handles 3-A continuous with appropriate copper thermal relief. For non-automotive designs where PPAP documentation is not needed, choose the lower-cost DRV8873HPWPR (industrial) drop-in alternative. Per TI datasheet, the IPROPI pin allows fault logging over Modbus or CAN interfaces.
推薦
推薦產品摘要
工程參考資料，適用於 DRV8873HPWPRQ1 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | DRV8873HPWPR | DRV8873QPWPRQ1 | DRV8842PWPR | DRV8844PWPR | DRV8806PWPR |
|---|---|---|---|---|---|---|
| Package | HTSSOP-24 (PWP) PowerPAD | HTSSOP-24 (PWP) PowerPAD - same | HTSSOP-24 (PWP) PowerPAD - same | HTSSOP-24 (PWP) - same footprint | HTSSOP-24 (PWP) - same footprint | HTSSOP-24 (PWP) - same footprint |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Supply Voltage Range | 4.5 V to 38 V | 4.5 V to 38 V | 4.5 V to 38 V | 8.2 V to 50 V | 8.2 V to 60 V | 8.2 V to 36 V |
| Peak Output Current | 10 A | 10 A | 10 A | 6 A | 5 A | 5 A |
| AEC-Q100 Qualified | Yes | No (industrial) | Yes | No (industrial) | No (industrial) | No (industrial) |
| Integrated Current Sense | Yes (IPROPI) | Yes (IPROPI) | Yes (IPROPI) | No (external shunt required) | No (external shunt required) | No (external shunt required) |
| Control Interface | HW (Hardwired) | HW (Hardwired) | PWM/PH-EN | PH/EN | PH/EN | PH/EN |
| Number of H-Bridges | 1 | 1 | 1 | 1 | 2 (one used as drop-in) | 1 |
主要差異化特點
- Integrated current sensing via IPROPI without external shunt resistor (對比DRV8842PWPR)
- Higher peak current in same HTSSOP-24 footprint (對比DRV8806PWPR)
- AEC-Q100 automotive qualification with -40 C to +125 C operation (對比DRV8873HPWPR (industrial))
設計說明
Estimated: at 5-A continuous load with VM = 13.5 V (typical automotive cranking) and total H-bridge Rds(on) of 0.2 ohm, power dissipation is approximately 5 W. With HTSSOP-24 PowerPAD thermal resistance of ~32-40 C/W (depending on copper area), junction temperature rises 160-200 C above ambient without thermal relief. Apply at least 1 square inch of 2-oz copper thermal relief on the PowerPAD; increase to 2-3 square inches for sustained 5-A continuous operation to keep Tj within AEC-Q100 limits.
Place a 100-nF ceramic bypass capacitor on VM as close to the IC pin as possible (within 2-3 mm), with a 10-uF bulk capacitor on the VM rail. Use wide PCB traces for OUT1 (OUT1) and OUT2 (OUT2) motor outputs, sized for 10-A peak (50 mil minimum trace width for 2-oz copper). Keep the IPROPI resistor (typically 5-10 kohm) close to pin 11 to minimize noise pickup. The PowerPAD must be soldered to a GND plane for both thermal dissipation and electrical ground.
Do not use the power or motor load to drive the device hot; ensure PowerPAD is soldered with multiple thermal vias to inner GND planes. Do not exceed 38 V on VM during load-dump transients - add a TVS diode if the application has inductive loads that can generate flyback overvoltage. The nSLEEP pin (pin 17) must be tied high through a 10-100 kohm pull-up to VM if sleep mode is not used, otherwise the part remains in low-Iq sleep state. AEC-Q100 qualification requires following TI's PPAP documentation flow for automotive designs.
合規資訊
AEC-Q100 qualified for automotive applications. RoHS and REACH compliant per TI product page. Halogen-free per TI MSP documentation. PPAP documentation available on request for automotive OEM programs.
