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Texas Instruments TPS79801-Q1 | Demoboard TIDA-00357
Automotive Wireless External Mirror Control Reference Design
Overview
| Topology | Buck Converter |
| Input voltage | 3-50 V |
| Output 1 | 3.3 V |
| Output 2 | 12 V |
| IC revision | E1 |
Description
This automotive wireless external mirror control reference design showcases a proof-of-concept solution for an automotive power side view mirror that communicates wirelessly with a control switch. Using TI's automotive-qualified BLE + MCU CC2541-Q1 system-on-chip solution, this reference design enables cost, weight, and fuel savings by replacing expensive and heavy cable harnesses. This SoC also pairs seamlessly with TI's integrated H-bridge motor driver solutions, DRV8801-Q1 and DRV8802-Q1, for fold and mirror position adjustment features. Also, to drive the mirror's heating element, TI's single channel integrated smart FET TPS1H100B-Q1 is used.
Features
- AEC-Q100 qualified devices
- Automotive-qualified CC2541-Q1 available (Note: There is a slight pinout change from CC2541)
- Allows the replacement of wires through a robust and mature Bluetooth ultra-low power SoC solution with full Bluetooth low energy certification
- Single H-bridge motor driver and dual H-bridge motor driver solutions with integrated protection features of overcurrent, thermal, and under voltage lockout for higher system reliability
- Wide input voltage range 3V to 50V LDO for direct battery connection with integrated reverse battery protection
- Functionality in start-stop environments
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IR(A) | ISAT,10%(A) | RDC max.(Ω) | fres(MHz) | Version | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-TI Radial Leaded Wire Wound Inductor, 22 µH, 1.8 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TI Radial Leaded Wire Wound Inductor | Inductance22 µH | Rated Current1.8 A | Saturation Current @ 10%1.7 A | DC Resistance0.13 Ω | Self Resonant Frequency15 MHz | VersionHeat Shrinking Tube |