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TDA21570
  • TDA21570

TDA21570

Active and preferred

TDA21570, 70 A integrated power stage, contains a low quiescent current synchronous buck gate-driver IC. In addition, the TDA21570 combines control & synchronous MOSFETs along with an active diode structure for low Vsd similar to a Schottky Diode with very little reverse recovery charge. The package is optimized for PCB layout, heat transfer, driver/MOSFET control timing, and minimal switch node ringing when layout guidelines are followed.

Infineon Technologies TDA21570 Product Info

16 April 2026 0

Parameters

Features

3% current and temperature telemetry

Input Voltage range

4.25 V to 16 V

Iout

70 A

Moisture Sensitivity Level

MSL 2

Output Voltage range

0.225 V to 5.5 V

Package

PQFN 5 x 6

Qualification

Industrial

Switching Frequency range

100 kHz to 1500 kHz

Technology

OPTIMOS 6

Type

Powerstage

Apps

Medium voltage IBC (48 V), Edge computing, Telecommunications infrastructure, Industrial PC, Programmable logic controller (PLC)

Features

  • Integrated driver, diode & 2 MOSFETs
  • On-chip MOSFET current reporting 5 µA/A
  • Input voltage range of 4.25 V to 16 V
  • Output current capability of 70 A
  • Enhanced Fault report & identification
  • OTP and thermal shutdown
  • Bootstrap capacitor Auto-replenishment
  • Compatible with 3.3V tri-state PWM Input
  • DEEP SLEEP power saving (32 µA typ)
  • Small 5 mm x 6 mm x 0.9 mm PQFN package

Description

  • High efficiency
  • Industry best current accuracy
  • Enhanced fault identification
  • Advanced protection features
  • Low Iq for power saving via EN=low

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