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About information presented in this cross reference

The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
TOSHIBA is not responsible for any incorrect or incomplete information. Information is subject to change at any time without notice.

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Load Switch IC TCK321G, TCK322G, TCK323G Application & Circuit

Battery charger circuit
Battery charger circuit
Waveforms in Manual Selection mode
Waveforms in Manual Selection mode

Description

  • Operation and application of break-before-make switches designed for safe input selection
  • Main switches in battery charging and other applications for smartphones, tablets, wearable devices, and other mobile devices having multiple charging options

Features

  • Small package: 0.5 mm pitch WCSP16C (1.9 mm x 1.9 mm, t: 0.5 mm (typ.)), PD = 1.65 W
  • High input voltage: VIN (Max) = 36 V
  • High output current: IOUT (DC) = 2.0 A, per channel
  • Low ON resistance : RON = 98 mΩ (typ.) at VIN = 4.5 V, IOUT = - 1.0 A
  • Over voltage lockout function: 12.0 V at 321G, 15.0 V at 322G, 323G (typ.)
  • Under voltage lockout function: 2.9 V (typ.)
  • Auto select mode: a function that IC outputs regular input voltage automatically after judging whether a regular voltage of VINA or VINB.
  • Manual select mode: a function that is selected by VSEL to output voltage.
  • FLAG output
  • FLAG function at Auto select mode: FLAG signal is output the Low level VINA or VINB is selected. (VINA at 321G/322G, VINB at 323G)
  • FLAG function at Manual select mode: FLAG signal is output the Low level when VINA or VINB is out of regular voltage.
  • Reverse current blocking per channel (switch off state)
  • Inrush current reducing circuit
  • Thermal shutdown circuit

Reference design files

Design, Document

“Design・Document” contains the documents listed below.

Name Date

Design, File

“Design・File” contains the contents listed below.

Name Date

Toshiba items

Part Number Device Category Portion Usage Description
TCK32xG* Load Switch IC 1 VIN=2.3~28V/Inrush current reduction/Slew rate control/WCSP9
DF2S23P2CTC* TVS Diode 1 VESD ±30kV(max)/IPP=14A(max)/VBR=24.1V(typ)/CST2C
* : New product

Documents

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