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1 Features

? AEC-Q100 qualified for automotive applications

– Temperature grade 1: –40°C to 125°C TA

– –40°C to 150°C junction temperature range

? Functional Safety-Compliant

– Developed for functional safety applications

– Documentation to aid ISO26262 functional

safety system design target up to ASIL D

planned

? Input voltage range: 2.7V to 6V

? Selectable output voltage ranges for AVS / DVS

– 3 ranges; Vout from 0.4V to 1.2V

? Output voltage accuracy: ±0.5%

? 7mΩ and 4.5mΩ internal power MOSFETs

? External compensation

? Switching frequency options of 1.5MHz, 2.25MHz,

2.5MHz, or 3MHz

? Forced PWM or power save mode operation

? 3.4MHz I2C-compatible interface with CRC

? Output voltage selection by I2C i/f or VSELx pins

? Optional stacked operation

? Differential remote sense

? Input and output overvoltage protection

? Thermal pre-warning and thermal shutdown

? Output discharge

? Optional spread spectrum clocking

? Power-good output with window comparator with

adjustable thresholds

2 Applications

? ADAS camera, ADAS sensor fusion

? Surround view ECU

? Hybrid and reconfigurable cluster

? Head unit, Telematics control unit

3 Description

The TPS62880-Q1, TPS62881-Q1 , TPS62882-Q1,

and TPS62883-Q1 are a family of pin-to-pin 12A, 20A,

24A, and 30A synchronous, dual-phase, step-down

DC/DC converters. The TPS6288x-Q1 implement an

enhanced DCS-Control scheme that combines fast

transient response with fixed frequency operation.

Dual-phase operation reduces the input and output

voltage ripple and also enables the use of smaller

inductors per phase. At medium to heavy loads,

the devices operate in Pulse Width Modulation

(PWM) mode and automatically enter Discontinuous

Conduction Mode at light load to maintain high

efficiency over the entire load current range. The

devices can also be forced into PWM mode operation

for smallest output voltage ripple. The devices

provide 0.5% DC output voltage accuracy across

the recommended input voltage and temperature

range. Differential remote sense allows for accurate

voltage control directly at the load. The I2C compatible

interface is operational as long as the supply

voltage is above the UVLO threshold. The interface

offers several control, monitoring, and warning

features, such as voltage monitoring and temperature

warnings. Dynamic voltage scaling allows the load

power consumption to adapt to the performance

needs of the application. The default start-up voltage

is selectable by the VSELx pins. The switching

frequency is factory programmed to 2.25MHz with

options for 1.5MHz, 2.5MHz or 3MHz. The TPS6288x-

Q1 can be synchronized to an external clock.

Stacking allows to operate up to 5 devices in parallel

to support a total output current of up to 150A. The

PS pin along with the SYNC_OUT pin define a device

as a primary or secondary device. The phase shift of

the secondary devices is defined by the VSEL1 and

VSEL2 pins to either 30°, 60°, 90° or 120°. See the

Device Options table for details.