Product Details

describe:

The TPS62850x-Q1 is a family of pin-to-pin 1-A, 2-A (continuous), and 3-A (peak) efficient, easy-to-use AD8058ARMZ-REEL7 synchronous step-down DC/DC converters. They are based on peak current mode control topologies. They are designed for automotive applications such as infotainment and advanced driver assistance systems. Low resistance switches allow up to 2A continuous output current and 3A peak current. In the TPS62850x-Q1, the switching frequency is externally adjustable from 1.8 MHz to 4 MHz. These parts can also be synchronized to an external clock in the same frequency range. In PWM/PFM mode, the device automatically enters a power saving mode at light loads to maintain high efficiency over the entire load range. This series provides 1% output voltage accuracy in PWM mode, which helps to design power supplies with high output voltage accuracy.

The TPS62850x-Q1 is available in a SOT583 package.

characteristic:

●AEC-Q100 qualified for automotive applications

— Device Temperature Grade 1: –40°C to +125°CA

●Functional safety capability

— Documentation that can be used to assist in the design of functional safety systems

●TJ = –40°C to +150°C

1A and 2A (continuous) and 3A (peak) converter series

●Input voltage range: 2.7 V to 6 V

● Quiescent current: 17 μA typical

●0.6V to 5.5V output voltage

●Output voltage accuracy ±1% (PWM operation)

●Forced PWM or PWM/PFM operation

Adjustable switching frequency from 1.8 MHz to 4 MHz

● Precise ENABLE input allows:

- User-defined undervoltage lockout

- Precise sequencing

●100% duty cycle mode

● Active output discharge

● Spread Spectrum Clocking – optional

Foldback overcurrent protection - optional

Power good output with window comparator

parameter:

Vin (Min) (V): 2.7

Vin (max) (V): 6

Vout (Min) (V): 0.6

Output Voltage (Max) (V): 5.5

Iout (Max) (A): 3

IQ (typ) (uA): 17

Switching frequency (Min) (kHz): 1800

Switching frequency (Max) (kHz): 4000

Features: Enable, Fixed Output, Forced PWM, Frequency Synchronization, Light Load Efficiency, Output Discharge, Power Good, Pre-Bias Startup, Spread Spectrum, Synchronous Rectification, Tracking, UVLO Fixed, Wet-Side Package

Operating temperature range (°C): -40 to 125

Adjustment output (#): 1