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LP87725101RAGRQ1 device is designed to meet the power management requirements of the AWR, IWR, and other MMICs in various automotive and industrial radar applications. The device has three step-down DC/DC converters, a LDO regulator, and a load switch. 

Features Of LP87725101RAGRQ1

AEC-Q100 qualified with the following results:

Device temperature grade 1: –40°C to +125°C ambient operating temperature

Functional safety-compliant device

Developed for functional safety applications

Documentation to aid ISO 26262 functional safety system design up to ASIL-B

BUCK, LDO and load switch output and Input supply overvoltage and undervoltage monitoring

Q&A Watchdog

Level or PWM error signal monitor (ESM)

ABIST and CRC

Input voltage: 3.3 V nominal (3 V to 4 V range)

3 high-efficiency, low noise, high frequency step-down DC/DC converters:

Output voltage: 0.8 V, 0.82 V, 0.9 V to 1.9 V with 20 mV output voltage step

Maximum output current: 3.5 A

Switching frequency: 4.4 MHz, 8.8 MHz, and 17.6 MHz

600 mA linear regulator with bypass \ load switch mode (LDO_LS1)

Input voltage, LDO mode: 1.2 V to 4 V

Output voltage: 0.6 V to 3.4 V with 50 mV output voltage step

Input voltage, bypass \ load switch mode: 1.6 V to 3.4 V

400 mA load switch (LS2)

Input voltage range: 1.6 V to 3.6 V

On resistance 3.3-V input, 200 mA: 75 mΩ -typ

Output short-circuit and overload protection

Regulator output dynamic voltage scaling (DVS) through I2C interface

Input overvoltage protection (OVP) and undervoltage lockout (UVLO)

Two general purpose voltage monitors shared with LDO_LS1 and LS2 output

Overtemperature warning and protection

I2C interface supporting standard, fast mode, fast-mode+ and optional I2C address selection

Applications Of LP87725101RAGRQ1

Satellite radar

Short and medium range corner radar

Ultra-short range radar

Long range front radar

Low ripple, low noise applications

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