MC33899VW - Programmable H-Bridge Motor Driver IC | NXP
料号： MC33899VW ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $4.32 | $4.32 |
| 10 | $3.89 | $38.90 |
| 100 | $3.21 | $321.00 |
| 500 | $2.78 | $1,390.00 |
| 1,000 | $2.41 | $2,410.00 |
MC33899VW 概述
What is an H-bridge motor driver? An H-bridge is a four-switch topology (two high-side plus two low-side MOSFETs arranged in an "H" around the motor) that lets a controller source current through the motor in either direction by alternating which diagonal pair conducts. When PWM is overlaid on the diagonal pair, average armature voltage - and therefore speed/torque - is regulated linearly. MC33899-class parts add programmability (slew rate, current limit, fault masks) and a current-sense mirror, replacing a discrete half-bridge + FET + sense-amplifier design with one AEC-Q100 qualified IC.
Key features of the MC33899VW include integrated charge pump for full enhancement of the high-side N-channel FETs, programmable slew rate to control EMI, programmable current limit with chopping, an analog current-mirror output proportional to load current, SPI for digital configuration and diagnostics, and comprehensive fault reporting (overcurrent, thermal, undervoltage, short-to-ground/supply). The SPI port allows the MCU to mask faults, change current-limit thresholds on the fly, and read back die temperature.
Technically, the device uses a DMOS output stage with low on-resistance, a charge-pump-derived gate drive for the high-side switches, and a bandgap-referenced current-limit comparator. The current mirror is ratiometric to the active low-side FET current and is intended for closed-loop torque control without a separate shunt resistor. The exposed thermal tab (Pin 31) is the primary heat-dissipation path and must be soldered to a PCB copper pour.
Typical applications include HVAC damper and blower actuators, mirror-fold and seat-position motors, automotive body-electronics throttle-by-wire subsystems, and small industrial brushed-DC drives where AEC-Q100, SPI programmability, and a single-package H-bridge simplify layout and BOM.
Design consideration: a minimum 1 square-inch copper pour on the thermal tab keeps junction temperature within safe limits at continuous 5 A loads; the current-mirror output is not a ground-referenced signal and requires an MCU ADC channel biased at the proper common-mode.
This page synthesizes distributor pricing, drop-in pin-compatible alternatives, SPI configuration details, and PCB thermal guidance not all collected in one place in the manufacturer datasheet.
直接替换替代料： MC33899VW ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
MC33899VWR2
✅ 直接替换📋 参考替代料（不在目录中）
MC33899AEFR2
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MC33899VW 最大额定值与电气特性
| 功能 | Programmable H-Bridge DC Motor Driver |
| Motor Type | Brushed DC |
| 输出数量 | 1 H-Bridge (2 outputs) |
| 接口 | SPI (Serial Peripheral Interface) |
| 输出配置 | Half-Bridge / Full-Bridge |
| Current Sense / Mirror Output | Analog ratiometric to load current |
| 限流 | Programmable via SPI |
| Slew Rate Control | Programmable via SPI |
| Fault Protection | Overcurrent, Short-to-Ground/Supply, Thermal Shutdown, Undervoltage |
| 工作温度 | -40 C to +125 C (AEC-Q100 automotive grade) |
| 封装 | 30-HSOP (HSOP-30) with exposed thermal tab (Pin 31) |
| 安装类型 | Surface Mount |
| AEC-Q100 | Qualified |
MC33899VW 引脚配置
| 引脚 1 | VPWR — Power supply for motor (battery) |
| 引脚 2 | OUT1 — H-bridge output 1 |
| 引脚 3 | OUT1 — H-bridge output 1 |
| 引脚 4 | OUT2 — H-bridge output 2 |
| 引脚 5 | OUT2 — H-bridge output 2 |
| 引脚 6 | VPWR — Power supply for motor (battery) |
| 引脚 7 | VDD — Logic supply (5 V) |
| 引脚 8 | CS — SPI chip select |
| 引脚 9 | SCLK — SPI clock |
| 引脚 10 | MOSI — SPI master-out slave-in |
| 引脚 11 | MISO — SPI master-in slave-out |
| 引脚 12 | FAULT — Open-drain fault output (active low) |
| 引脚 13 | EN — Enable input |
| 引脚 14 | PWM — PWM input for speed/torque control |
| 引脚 15 | DIR — Direction input |
| 引脚 16 | ISENSE — Current-mirror analog output |
| 引脚 17 | GND — Signal ground |
| 引脚 18 | NC — Not connected (per datasheet) |
| 引脚 19 | NC — Not connected (per datasheet) |
| 引脚 20 | NC — Not connected (per datasheet) |
| 引脚 21 | NC — Not connected (per datasheet) |
| 引脚 22 | NC — Not connected (per datasheet) |
| 引脚 23 | NC — Not connected (per datasheet) |
| 引脚 24 | NC — Not connected (per datasheet) |
| 引脚 25 | NC — Not connected (per datasheet) |
| 引脚 26 | NC — Not connected (per datasheet) |
| 引脚 27 | NC — Not connected (per datasheet) |
| 引脚 28 | NC — Not connected (per datasheet) |
| 引脚 29 | NC — Not connected (per datasheet) |
| 引脚 30 | NC — Not connected (per datasheet) |
| 引脚 31 | TAB — Exposed thermal tab (must be soldered to PCB copper pour) |
典型应用
MC33899VW 适用于 6 应用s: Automotive HVAC Damper & Blower Actuator, Power Side Mirror Fold & Position Motor, Automotive Seat Position & Lumbar Motor, Industrial Brushed DC Servo / Valve Actuator, Small DC Pump / Fluid Pump Driver, Robotics & Small DC Gearmotor Drive.
Automotive HVAC Damper & Blower Actuator
The MC33899VW's AEC-Q100 qualification, 5 A continuous drive capability, and integrated SPI-controlled current limit make it ideal for HVAC blower and damper actuators that draw high inrush currents when moving against spring return. Placed between the 12 V battery rail and a small brushed-DC gearmotor, it provides closed-loop torque control via the on-chip current mirror output - eliminating an external shunt resistor and reducing BOM by roughly USD 0.40 per axis. The exposed thermal tab handles the blower stall current without a heatsink, and the SPI fault mask allows the body controller to ignore nuisance trips during cold-crank voltage sags while still reporting real stalls. Engineers pick this part over generic half-bridge drivers because the H-bridge topology, dead-time insertion, and AEC-Q100 grade come pre-qualified in one IC, shaving 3-6 months off automotive design cycles.
推荐
Power Side Mirror Fold & Position Motor
Side mirror fold and position motors require bidirectional drive with stall detection to avoid burning out the gearbox when the mirror reaches its mechanical stop. The MC33899VW supports this through its programmable SPI current limit, which can be tuned per mirror axis so that a stalled motor trips an overcurrent fault rather than drawing continuous high current. The current mirror output feeds an MCU ADC for closed-loop positioning, while the SPI diagnostics report thermal and undervoltage events back to the BCM. Compared to discrete half-bridge plus FET designs, the integrated H-bridge reduces PCB area by approximately 60 percent and eliminates the need for gate-drive circuitry. The AEC-Q100 grade and 30-HSOP package with thermal tab are well-suited to the under-mirror environment where ambient temperature can exceed 85 C in direct sun.
推荐
Automotive Seat Position & Lumbar Motor
Power seat adjusters use brushed-DC gearmotors that must run in both directions, hold position under load, and stop gracefully when the seat reaches end-of-travel. The MC33899VW's programmable current limit lets the seat controller set a stall threshold that matches the gearbox rating, protecting both motor and ECU. Its SPI interface allows the BCM to command soft-start slew rates that reduce inrush on cold mornings, while the analog current mirror enables load compensation to keep seat speed constant as the occupant's weight changes. With AEC-Q100 grade 1 qualification and a wide -40 C to +125 C operating range, this IC operates reliably in the under-seat environment where temperatures swing from subzero to engine-soak conditions. The 30-HSOP package drops onto existing seat-module PCBs that already use the MC33899 family footprint.
推荐
Industrial Brushed DC Servo / Valve Actuator
Beyond automotive, the MC33899VW drives industrial brushed-DC actuators, small servo motors, and proportional valves where SPI programmability simplifies calibration. The current mirror output enables precise torque control without a bulky external shunt, while the integrated fault reporting shortens commissioning time by surfacing open-load, short-circuit, and over-temperature events directly to the PLC or industrial controller. The exposed thermal tab in 30-HSOP handles continuous 3-5 A loads with a 2 square-inch copper pour, eliminating the heatsink on most valve bodies. Engineers select this part over generic drivers when they need programmable current limit and digital diagnostics in a single footprint, particularly in process-control cabinets where space is constrained and thermal management via PCB copper is preferred.
推荐
Small DC Pump / Fluid Pump Driver
Small 12 V brushed-DC pumps for fuel, washer fluid, coolant recirculation, and oil circulation need bidirectional or high-side/low-side control with current feedback to detect dry-run and blockage conditions. The MC33899VW's analog current-mirror output provides a proportional signal that the ECU reads to infer pump health, while SPI-programmable current limits act as a software-adjustable electronic fuse. Compared to discrete MOSFET solutions, the integrated charge pump, gate drivers, and fault protections reduce PCB area by approximately 50 percent, and AEC-Q100 grade 1 ensures the pump driver survives the harsh underhood environment. The exposed thermal tab supports continuous pump current with a moderate copper pour, and the SPI diagnostics report dry-run, blockage, and over-temperature events that the body controller can act on to protect the pump.
推荐
Robotics & Small DC Gearmotor Drive
In robotics, small DC gearmotors driving wheels, joints, or grippers benefit from a compact H-bridge with current feedback and digital configuration. The MC33899VW delivers up to 5 A continuous drive for gearmotors in the 30-60 W range, while the SPI interface lets a host MCU or motion controller change current limits and slew rates on the fly as the robot switches between high-speed and high-torque modes. The current mirror output feeds closed-loop torque control algorithms without an external shunt, reducing BOM and freeing PCB space in compact robot designs. The 30-HSOP footprint is suitable for densely packed motor-driver PCBs in mobile robots and small CNC axes where space is at a premium and PCB thermal management is well-controlled.
推荐
推荐产品汇总
工程参考数据： MC33899VW ——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 | MC33899VWR2 |
|---|---|---|
| Package | 30-HSOP with exposed thermal tab | 30-HSOP with exposed thermal tab - same |
| Brand | NXP Semiconductors | NXP Semiconductors - same |
| Continuous Output Current | 5 A | 5 A |
| Operating Voltage Range | 5.5 V to 28 V | 5.5 V to 28 V |
| Interface | SPI | SPI |
| Current Sense / Mirror | Yes (analog ratiometric) | Yes (analog ratiometric) |
| AEC-Q100 | Qualified | Qualified |
| Programmable Slew Rate | Yes (via SPI) | Yes (via SPI) |
| Unit Price (qty 1, as of 2026-10-15) | USD 4.32 | USD 4.32 (tape-and-reel variant, similar tier) |
关键差异点
- Integrated current-mirror output eliminates external shunt resistor （对比 ST L6258)
- AEC-Q100 automotive qualification built in （对比 ST L6219DSA)
- Single H-bridge in compact 30-HSOP with exposed thermal tab （对比 ST L6258 (dual full-bridge in 36-PowerSO))
设计说明
The exposed thermal tab (Pin 31) is the primary heat-dissipation path and MUST be soldered to a PCB copper pour. Estimated: at 5 A continuous drive with 12 V supply and a stalled motor (effectively 0 V across the load, all 12 V across the H-bridge), the IC dissipates roughly 60 W. Without a heatsink, the junction would exceed 125 C within milliseconds. A minimum 1 square-inch copper pour on each PCB layer connected by thermal vias is required to keep junction temperature within the -40 C to +125 C automotive range at typical 1-3 A continuous loads.
Place VPWR (battery) decoupling capacitors as close to the VPWR pins as possible, using a combination of bulk electrolytic (>= 100 uF) and ceramic (>= 1 uF X7R) to handle motor back-EMF and high-di/dt switching transients. Route the motor outputs (OUT1, OUT2) as short and wide as possible to minimize parasitic inductance. According to the NXP datasheet, the exposed thermal pad must be soldered to PCB copper using a land pattern that exceeds the tab dimensions to maximize heat transfer.
Do NOT leave the exposed thermal tab unsoldered - this is the most common design failure with HSOP packages and causes the IC to overheat and trip thermal shutdown even at modest loads. Do NOT apply reverse battery polarity without external protection; the MC33899VW does not include reverse-battery MOSFETs. Do NOT assume the current mirror output is ground-referenced - bias it through the MCU ADC with proper common-mode handling as documented in the datasheet reference circuit. Always issue a SPI read command after a fault to clear latched faults before resuming motor operation.
Keep digital SPI traces (CS, SCLK, MOSI, MISO) away from the motor output traces to avoid coupling switching noise into the logic interface. Use a ground plane on the layer beneath the IC and stitch the thermal copper pour with multiple vias to inner ground planes. According to NXP application notes, placing a small RC filter (>= 100 ohm + 1 nF) on the FAULT pin improves noise immunity in automotive environments. Reserve PCB area for a TVS diode across VPWR to GND to clamp load-dump transients that exceed 28 V.
合规信息
AEC-Q100 qualified for automotive body-electronics and chassis applications. RoHS and REACH compliant per NXP product page. Lead-free and halogen-free packaging. Conflict-minerals compliant per NXP supply-chain policy.
