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TI德州仪器 TMC5271 产品介绍
2026-04-14
0次
说明
- 2.1V to 20V DC Voltage Range
- Two 20V H-Bridges
- Low RDS(ON) (HS Plus LS): 0.155Ω Typical (TA = +25°C)
- Current Ratings per H-Bridge (Typical at +25°C):
- Bridge Peak Current IMAX = 3.0AMAX
- Full-Scale Current IFS = 1.6ARMS (2.24A SineWave Peak)
- Fully Integrated Lossless Current Sensing (ICS)
- Eight-Point Motion Controller for Minimum Jerk
- Step/Direction Interface with MicroPlyer™ Step Interpolation
- SPI or Single-Wire UART Interface
- Quadrature Encoder Interface
- Reference Switch Inputs
- TriCoder Sensorless Standstill Steploss Detection and Full-Step Encoder
- Highest Resolution with 256 Microsteps per Full Step
- StealthChop2™ Silent Motor Operation
- SpreadCycle™ Highly Dynamic Chopper Mode
- StallGuard2™ and StallGuard4™ Sensorless Motor Load Detection
- CoolStep™ Current Control for Energy Savings up to 75%
- Passive Braking and Freewheeling Mode
- Bridge Disable, Reset, and Low-Power Mode
- Motor Phase and Chip Temperature Measurement
- Full Protection and Diagnostics
- 2.97mm x 3.13mm, 36-Pin WLCSP
特性
The TMC5271 is a miniaturized, high-performance, single-axis stepper motor controller and driver IC with serial communication interfaces (SPI, UART) and extensive diagnosis capabilities. It combines a flexible, jerk-optimized ramp generator for automatic positioning with industries’ most advanced stepper motor drivers based on a 256-µsteps built-in indexer and four fully integrated 20V, 3AMAX H-bridges plus nondissipative Integrated Current Sensing (ICS).
APPLICATIONS
- Wearables
- Personal Portable Devices
- Optical Systems, Lens Control
- CCTV, Surveillance, Conference Systems Focus/Zoom and Pan/Tilt Control
- Patch and Insulin Pumps
- Pipettes and Liquid Handling
- Small Printing and Scanning Devices
- Lab and Office Automation
- Space-Constrained Stepper Motor Applications
