DRV8832DRCR - 6.8V 1A H-Bridge Motor Driver | Texas Instruments
料号： DRV8832DRCR ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $1.45 | $1.45 |
| 10 | $1.31 | $13.10 |
| 100 | $1.12 | $112.00 |
| 500 | $0.98 | $490.00 |
| 1,000 | $0.86 | $860.00 |
DRV8832DRCR 概述
An H-bridge motor driver is a power management IC that uses four switching transistors arranged in an H configuration to reverse the polarity of the voltage applied to a motor, enabling forward, reverse, brake, and coast (hi-Z) operation. Within the system hierarchy, motor drivers sit between a host controller (MCU or logic) and the motor itself, translating low-current logic commands into high-current motor drive while providing protection features such as current limiting, undervoltage lockout, and thermal shutdown.
Key features include a wide operating supply range for battery-powered designs, a fixed off-time PWM current-regulation scheme that limits motor current during start-up or stall conditions, a low-power sleep mode that reduces supply current to conserve battery life, and an nFAULT output pin that signals fault conditions to a host processor. The integrated MOSFETs deliver up to 1A of continuous output current without external discrete transistors.
The DRV8832 architecture uses internal gate drive and voltage regulation so that only the motor supply and logic inputs are required externally - no external bootstrap components or gate-drive circuitry are needed. The internal current-limit regulation repeatedly disables and re-enables the bridge at a fixed off-time when the set current threshold is exceeded, holding motor torque under control during stall or acceleration events and protecting both the IC and the motor windings.
Typical applications include battery-powered toys, printers, and other low-voltage or battery-powered motion control products such as small actuators, camera lenses, locks, and consumer robotics. The low minimum supply voltage suits single-cell or dual-cell battery stacks, and the tiny 3x3 mm footprint suits space-constrained mechanisms in printers and portable devices.
A key design consideration is thermal management: at high load currents the VSON-10 package relies on its exposed pad soldered to a copper pour on the PCB to dissipate heat. Verify that the continuous motor current and the on-resistance of the internal MOSFETs keep junction temperature within limits over the full ambient range.
This page synthesizes verified distributor data, TI product information, drop-in alternative analysis, and practical design notes not found in the manufacturer datasheet, providing an engineering-ready reference for the DRV8832DRCR.
直接替换替代料： DRV8832DRCR ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： DRV8832DRCR （相同外形与封装尺寸） ——差异在于 Control Interface, Motor Type, Package, Protection Features, RoHS Status.
快速对比工具——选择替代料号进行并排对比：
DRV8411DRCR
✅ 直接替换📋 参考替代料（不在目录中）
DRV8832DGQR
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$0.89 / 个
查看数据手册 →DRV8832DRCR 最大额定值与电气特性
| Motor Type | Brushed DC / one stepper winding |
| Number of H-Bridges | 1 |
| Maximum Motor Supply Voltage (VM) | 6.8 V |
| Continuous Output Current | 1 A |
| 输出配置 | Full H-bridge, integrated power MOSFETs |
| Current Regulation | Fixed off-time PWM current limit (motor start-up / stall regulation) |
| Control Interface | Logic inputs (IN1/IN2): forward, reverse, brake, coast |
| Fault Indication | nFAULT output pin to host processor |
| Low-Power Sleep Mode | Yes (nSLEEP pin) |
| 封装 | 10-pin VSON (DRC), 3 mm x 3 mm |
| 安装类型 | Surface Mount |
| Applications | Battery-powered toys, printers, low-voltage motion control |
| RoHS 状态 | Compliant (eco-friendly, no Sb/Br) |
| Protection Features | Current limiting, thermal shutdown, undervoltage lockout |
| Manufacturer | Texas Instruments |
DRV8832DRCR 10-pin vson (drc), 3 mm x 3 mm 引脚配置指南
DRV8832DRCR（10-pin vson (drc), 3 mm x 3 mm 封装）的引脚配置。 该功率器件具有栅极、漏极和源极端子。对于无极性封装，请参阅制造商数据手册以了解确切的引脚 1 方向和封装尺寸细节。常见应用包括电源设计、电机驱动和负载开关。
暂无详细引脚数据： DRV8832DRCR.
请参阅 数据手册 以查看完整引脚配置。
典型应用
DRV8832DRCR 适用于 6 应用s: Battery-Powered Toys, Printer Mechanisms, Consumer Robotics, Camera Lens and Small Actuator Drive, Electronic Locks and Latches, Stepper Motor (Single Winding) Drive.
Battery-Powered Toys
The DRV8832 is explicitly designed by TI for battery-powered toy applications, where its 6.8V maximum motor supply matches typical 2-4 cell alkaline or NiMH battery stacks and its 1A output drives small DC motors for wheels, arms, and mechanisms. The integrated fixed off-time current limit is critical in toys, where motors frequently stall against obstacles; the bridge chops current automatically without firmware intervention, protecting the IC and motor windings. The nSLEEP pin reduces standby current so batteries are not drained while the toy is off, and the 3x3 mm VSON package fits compact plastic enclosures with minimal PCB area.
推荐
Printer Mechanisms
In inkjet and thermal printers, the DRV8832 drives DC motors for paper feed, carriage movement, and small actuators. Printer mechanisms demand accurate current control during acceleration and paper jams; the DRV8832's fixed off-time PWM regulation limits current during stalls, and the nFAULT output alerts the printer controller to fault events for user-visible error handling. The low VM rating suits 5-6V logic-derived motor rails common in desktop printers, while the 3x3 mm VSON package fits dense mainboard layouts. The integrated MOSFETs eliminate external driver transistors, reducing BOM count and assembly cost in high-volume printer production.
推荐
Consumer Robotics
Small consumer robots such as vacuums, toy robots, and educational platforms use the DRV8832 to drive drive wheels or small actuators from battery rails under 6.8V. The 1A continuous rating covers small gearmotor loads, and the current-limit regulation provides controlled torque during wheel stall or obstacle collision, an important safety behavior in consumer products. The single H-bridge with IN1/IN2 logic control interfaces directly to 3.3V or 5V MCU GPIO without level shifting. Thermal performance is adequate in free-air PCB layouts thanks to the exposed pad of the VSON package soldered to a copper pour.
推荐
Camera Lens and Small Actuator Drive
Compact optical products - camera autofocus modules, lens caps, and small latching mechanisms - require precise bidirectional DC motor drive in minimal space. The DRV8832's 3x3 mm VSON package and single H-bridge fit inside thin optical assemblies, while the 6.8V rating suits one-cell lithium or multi-cell alkaline supplies used in cameras. The current regulation prevents overstress on small lens motors during end-of-travel stops, and the nSLEEP input powers down the driver between shots to preserve battery life. The brake mode (both outputs low) provides active stopping of the motor, useful for accurate lens positioning.
推荐
Electronic Locks and Latches
Battery-powered smart locks and latches drive a motor briefly to actuate the locking mechanism, then remain idle - a profile that matches the DRV8832 well. The nSLEEP pin cuts driver current to near zero between operations, maximizing battery life, and the 1A current limit handles the high inrush of a motor pushing a stuck bolt without requiring external protection circuitry. The nFAULT pin reports abnormal conditions such as jams, enabling user notification. Operating from 3-6V battery stacks, the DRV8832 drives the motor directly with logic-level IN1/IN2 control from a low-power MCU with no additional gate drivers.
推荐
Stepper Motor (Single Winding) Drive
Per the TI datasheet, the DRV8832 can drive one winding of a stepper motor, making it usable in paired configurations for small two-phase stepper motors in instrumentation, gages, and precision positioning devices. Each DRV8832 drives one phase with its internal current regulation holding winding current at the set level, providing controlled torque without external choppers. The fixed off-time scheme runs autonomously, so a simple MCU phase sequence suffices - no sophisticated microstepping firmware is required for coarse positioning. The compact VSON package allows both phase drivers to fit beside the small stepper motor on a single PCB.
推荐
推荐产品汇总
工程参考数据： DRV8832DRCR ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | DRV8411DRCR | DRV8832DGQR |
|---|---|---|---|
| Package | 10-pin VSON (DRC), 3x3 mm | 10-pin VSON (DRC), 3x3 mm - same | MSOP-10 PowerPAD (DGQ) - different footprint |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Max Motor Supply Voltage | 6.8 V | approx. 11 V | 6.8 V |
| Continuous Output Current | 1 A | approx. 1.5 A | 1 A |
| Number of H-Bridges | 1 | 2 | 1 |
| Current Limit Regulation | Yes (fixed off-time PWM) | Yes | Yes (fixed off-time PWM) |
| Target Applications | Battery toys, printers, low-voltage motion | Higher-voltage dual-motor / stepper drive | Same as this product (same die) |
关键差异点
- Single H-bridge simplicity for one-motor designs （对比 DRV8411DRCR)
- Autonomous fixed off-time current limiting （对比 DRV8832DGQR)
- Tiny 3x3 mm footprint with integrated MOSFETs （对比 DRV8411DRCR)
设计说明
The VSON-10 (DRC) package relies on its exposed pad for heat dissipation. At 1A continuous drive, estimate power dissipation as I^2 x Rds(on) of the internal MOSFETs plus switching losses; solder the exposed pad to a minimum of 2x2 via-fanned copper pour on the top layer. Estimated: at 1A with typical total on-resistance in the several-hundred milliohm range, dissipation remains well under 1W, but stalled-motor conditions with current regulation cycling will raise average losses - verify junction temperature against the datasheet thermal impedance for your PCB stack-up.
Never exceed the 6.8V maximum motor supply. Battery stacks that measure 6V nominal can exceed 7V fresh off a charger or with a bench supply - add a series diode or verify worst-case battery voltage before finalizing the design. Decouple VM with a ceramic capacitor (typically 0.1uF plus bulk capacitance per datasheet recommendations) placed close to the VM pin, since motor PWM switching draws pulsed currents that cause supply droop and potential undervoltage lockout events.
Two frequent mistakes: (1) using the DRV8832 on an 8V or higher rail - it is rated only to 6.8V; TI's E2E forum directs such users to the DRV8411. (2) Assuming the DGQ (MSOP-10 PowerPAD) variant is footprint-compatible with the DRC (VSON-10) variant - the dies are the same, but the packages and pin maps differ, so PCB layouts cannot be shared. Also ensure the nSLEEP pin is actively driven at power-up; leaving it floating may leave the bridge in an undefined state until the host asserts the correct logic level.
Keep the motor output traces (OUT1/OUT2) short and wide to reduce parasitic inductance and radiated emissions from PWM switching edges. Route the nFAULT line away from motor outputs to prevent false fault signaling from inductive kick, and add a pull-up resistor to the host logic rail since nFAULT is an open-drain-style indicator - confirm the exact output structure in the TI datasheet before finalizing the pull-up value and logic polarity.
合规信息
Per TI product information: eco-friendly, RoHS compliant with no Sb/Br content. REACH and conflict minerals status not stated in provided data.
