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Data sheet
DRV8848
- Dual H-Bridge Motor Driver
- Single/Dual Brushed DC
- Stepper
- 4 to 18V Operating Supply Voltage Range
-
Low ON-resistance: HS + LS = 900mΩ (Typical, 25°C)
- PWM Control Interface
- Optional Current Regulation With 20µs Fixed Off-Time
- High Output Current per H-Bridge
- 2A Maximum Driver Current at 12V and TA = 25°C
- Parallel Mode Available Capable of 4A Maximum Driver Current at 12V and TA = 25°C
- Low-Current 3µA Sleep Mode
- Thermally-Enhanced Surface Mount Package
- Protection Features
- VM Undervoltage Lockout (UVLO)
- Overcurrent Protection (OCP)
- Thermal Shutdown (TSD)
- Fault Condition Indication Pin (nFAULT)
The DRV8848 provides a dual H-bridge motor driver for home appliances and other mechatronic applications. The device can be used to drive one or two DC motors, a bipolar stepper motor, or other loads. A simple PWM interface allows easy interfacing with controller circuits.
The output block of each H-bridge driver consists of N-channel and P-channel power MOSFETs configured as full H-bridges to drive the motor windings. Each H-bridge includes circuitry to regulate the winding current using a fixed off-time chopping scheme. The DRV8848 is capable of driving up to 2A of current from each output or 4A of current in parallel mode (with proper heat sinking, at 12V and TA = 25°C).
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 using a dedicated nSLEEP pin.
Internal protection functions are provided for UVLO, OCP, short-circuit protection and overtemperature. Fault conditions are indicated by a nFAULT pin.
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Technical documentation
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View all 9 | Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | DRV8848 Dual H-Bridge Motor Driver datasheet (Rev. B) | PDF | HTML | 24 Apr 2024 |
| Application note | Best Practices for Board Layout of Motor Drivers (Rev. B) | PDF | HTML | 14 Oct 2021 | |
| Application note | Methods to Configure Current Regulation for Brushed and Stepper Motors (Rev. B) | PDF | HTML | 19 Jan 2021 | |
| EVM User's guide | DRV8848 EVM GUI (Rev. C) | 10 Sep 2019 | ||
| Technical article | Using smart relay drivers for smart meters, part 2 | PDF | HTML | 10 Dec 2018 | |
| Application brief | Small Motors in Large Appliances | 20 Jul 2018 | ||
| Application note | PowerPAD™ Thermally Enhanced Package (Rev. H) | 06 Jul 2018 | ||
| Application note | Using a Motor Driver DRV8848 for Low-Power Isolated Full-Bridge DC-DC Conversion | 13 Nov 2017 | ||
| Application brief | PowerPAD™ Made Easy (Rev. B) | 12 May 2004 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
Evaluation board
BOOST-DRV8848 — Dual Brushed DC Motor BoosterPack featuring DRV8848
The BOOST-DRV8848 is 4-18V brushed DC motor drive stage based on the DRV8848 dual H-bridge motor driver. The design contains everything needed to drive single or dual brush DC motors, and supports a parallel mode for higher current needs. The BOOST-DRV8848 is ideal for those wishing to learn more (...)
User guide: PDF
Evaluation board
DRV8848EVM — DRV8848EVM Evaluation Module
The DRV8848EVM (evaluation module) serves as a user-friendly evaluation kit to demonstrate TI's brushed motor driver DRV8848. A MSP430F2617 is used to control the speed of the motor and current levels. The EVM is a high-performance, power-efficient, cost-effective platform that speeds (...)
User guide: PDF
Reference designs
TIDA-00297 — Refrigerator Damper and Fan Motor Control Solutions
Refrigerators often use a damper to control airflow and a fan to provide circulation. While discrete solutions have been used for years, this reference design uses integrated motor drivers that provide easy control, high performance and full protection. DRV8848 drives the stepper motor (...)
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| HTSSOP (PWP) | 16 | Ultra Librarian |
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