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Overview
| Topology | Full-Bridge Converter symmetrical isolated |
| Input voltage | 5.9-45 V |
| Output 1 | 4.8 V / 0.03 A |
| Output 2 | 3.3 V / 0.03 A |
| IC revision | B |
Description
The DRV8701 is a single H-bridge gate driver that uses four external N-channel MOSFETs targeted to drive a 12-V to 24-V bidirectional brushed DC motor.
A PH/EN (DRV8701E) or PWM (DRV8701P) interface allows simple interfacing to controller circuits. An internal sense amplifier allows for adjustable current control. The gate driver includes circuitry to regulate the winding current using fixed off-time PWM current chopping.
DRV8701 drives both high- and low-side FETs with 9.5-V VGS gate drive. The gate drive current for all external FETs is configurable with a single external resistor on the IDRIVE pin.
A low-power sleep mode is provided which shuts down internal circuitry to achieve very-low quiescent current draw. This sleep mode can be set by taking the nSLEEP pin low.
Internal protection functions are provided: undervoltage lockout, charge pump faults, overcurrent shutdown, short-circuit protection, predriver faults, and overtemperature. Fault conditions are indicated on the nFAULT pin.
Features
Single H-Bridge Gate Driver
Drives Four External N-Channel MOSFETs
Supports 100% PWM Duty Cycle
5.9-V to 45-V Operating Supply Voltage Range
Two Control Interface Options
PH/EN (DRV8701E)
PWM (DRV8701P)
Adjustable Gate Drive (5 Levels)
6-mA to 150-mA Source Current
12.5-mA to 300-mA Sink Current
Supports 1.8-V, 3.3-V, and 5-V Logic Inputs
Current Shunt Amplifier (20 V/V)
Integrated PWM Current Regulation
Limits Motor Inrush Current
Low-Power Sleep Mode (9 µA)
Two LDO Voltage Regulators to Power External Components
AVDD: 4.8 V, up to 30-mA Output Load
DVDD: 3.3 V, up to 30-mA Output Load
Small Package and Footprint
24-Pin VQFN (PowerPAD™)
4.0 × 4.0 × 0.9 mm
Protection Features:
VM Undervoltage Lockout (UVLO)
Charge Pump Undervoltage (CPUV)
Overcurrent Protection (OCP)
Pre-Driver Fault (PDF)
Thermal Shutdown (TSD)
Fault Condition Output (nFAULT)
Typical applications
- Handheld Vacuum Cleaners
- Robotics
- Industrial Brushed-DC Motors
- Industrial Pumps and Valves
- Power Tools
- Home Automation
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | Application | PCB/Cable/Panel | Modularity | Wire Section | λDom typ. (nm) | Emitting Color | λPeak typ. (nm) | IV typ. (mcd) | VF typ. (V) | Chip Technology | 2θ50% typ. (°) | Pins | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 691101710002 | SPEC | – | 6 files | WR-TBL Series 101 - 5.00 mm Horizontal Entry Modular | Wire Protector | PCB | Yes | 26 to 14 (AWG) 0.5 to 2.5 (mm²) | – | – | – | – | – | – | – | 2 | – | 12.6 | – | Horizontal | 16 | Box | |
 | 150080SS75000 | SPEC | 7 files | WL-SMCW SMT Mono-color Chip LED Waterclear | – | – | – | – | 630 | Super Red | 645 | 60 | 1.9 | AlInGaP | 140 | – | – | 0.7 | – | – | – | Tape and Reel | ||
| 150080VS75000 | SPEC | 7 files | WL-SMCW SMT Mono-color Chip LED Waterclear | – | – | – | – | 570 | Bright Green | 572 | 40 | 2 | AlInGaP | 140 | – | – | 0.7 | – | – | – | Tape and Reel | ||
 | 61300311121 | SPEC | – | 6 files | WR-PHD 2.54 mm THT Pin Header | – | – | – | – | – | – | – | – | – | – | – | 3 | Single | – | Pin Header | Straight | 3 | Bag | |
 | 61300621121 | SPEC | – | 6 files | WR-PHD 2.54 mm THT Dual Pin Header | – | – | – | – | – | – | – | – | – | – | – | 6 | Dual | – | Pin Header | Straight | 3 | Bag | |
| 61301011121 | SPEC | – | 6 files | WR-PHD 2.54 mm THT Pin Header | – | – | – | – | – | – | – | – | – | – | – | 10 | Single | – | Pin Header | Straight | 3 | Bag |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 691101710002 | SPEC | – |
| 150080SS75000 | SPEC | |
| 150080VS75000 | SPEC | |
| 61300311121 | SPEC | – |
| 61300621121 | SPEC | – |
| 61301011121 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Product series | Application | PCB/Cable/Panel | Modularity | Wire Section | λDom typ. (nm) | Emitting Color | λPeak typ. (nm) | IV typ. (mcd) | VF typ. (V) | Chip Technology | 2θ50% typ. (°) | Pins | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples |
|---|