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TPS62810-Q1, TPS62811-Q1 TPS62812...
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Technical Documents
Tools & Software
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TPS62810-Q1, TPS62811-Q1 TPS62812-Q1, TPS62813-Q1
SLVSDU1C – AUGUST 2018 – REVISED AUGUST 2019
TPS6281x-Q1 2.75-V to 6-V Adjustable-Frequency Step-Down Converter
CFR Efficiency (%)
1 Features
1 AEC-Q100 qualified for automotive applications – Device temperature grade 1: –40°C to +125°C TA
Input
voltage range: 2.75 V to 6 V Family of 1 A, 2 A, 3 A and 4 A Quiescent current 15-µA typical Output
voltage from 0.6 V to 5.5 V Output
voltage accuracy ±1% (PWM operation) Adjustable soft-start Forced PWM or PWM and PFM operation Adjustable switching frequency of
1.8 MHz to 4 MHz Precise ENABLE input allows
– User-defined under
voltage lockout – Exact sequencing 100% duty cycle mode Active output discharge Spread spectrum clocking - optional Fold-back overcurrent protection - optional Power good output with window comparator Package with wettable flanks
2 Applications
Infotainment head unit Hybrid and reconfigurable cluster Telematics control unit Surround view ECU ADAS sensor fusion External amplifier
Schematic
VIN 2.75V - 6V
CIN 22mF
TPS62810-Q1 VIN SW
EN FB
L 0.47mH
R1
MODE/SYNC
COMP/FSET
SS/TR CSS
PG
R2
GND
VOUT
CFF COUT
R3 47mF
Copyright © 2019, Texas Instruments Incorporated
3 Description
The TPS6281x-Q1 is family of pin-to-pin 1-A, 2-A, 3A and 4-A synchronous step-down DC/DC converters. All devices offer high efficiency and ease of use....