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Toshiba Semiconductor TCK207G,LF — Discrete Semiconductors
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Toshiba Semiconductor / Discrete Semiconductors

Toshiba TCK207G,LF Power Switch, 2A, 18.1mOhm, 4-WCSP

MPN TCK207G,LF
End of Life Spot Stock · 24-48h Dispatch 100% Original Sealed

Toshiba Semiconductor TCK207G,LF general-purpose load switch, N-channel high-side, 2A output, 18.1mOhm Rds(on), 4-WCSP package, Tape & Reel.

In Stock: 162 pcs
MOQ: 1 pcs
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[SPEC] Essential Parameters Snapshot Full Specifications (17)
Package / Case 4-XFBGA, CSPBGA
Supply Voltage Not Required
Output / Current 18.1mOhm

Full Technical Specifications

17 Parameters
TCK207G,LF specifications
Parameter / AttributeSpecification / Value
Input typeNon-Inverting
Output typeN-Channel
TypeGeneral Purpose
MountingSurface Mount
Voltage - load0.75V ~ 3.6V
Voltage - supply (Vcc (Vdd))Not Required
Output current2A
I/O channels1
InterfaceOn/Off
Operating temperature-40°C ~ 85°C (TA)
PackageTape & Reel (TR); Cut Tape (CT)
FeaturesLoad Discharge, Slew Rate Controlled
Rds on18.1mOhm
Case4-XFBGA, CSPBGA
Fault protectionReverse Current
Output configurationHigh Side
Ratio - Input:Output1:1
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Technical Details & Description

Load switch in a 0.90 mm footprint

The Toshiba TCK207G,LF is a single-channel, N-channel high-side load switch in a 4-WCSP package measuring 0.90 x 0.90 mm. It handles a continuous output current of 2 A with a typical on-resistance of 18.1 mOhm, making it a compact power-rail gating solution for portable and battery-powered designs.

Voltage range and protection

No external Vcc supply is needed — the switch is self-powered from the load rail. Built-in reverse-current blocking prevents back-feed from the output to the input when the switch is off. The slew-rate controlled turn-on limits inrush current into capacitive loads, and the integrated load-discharge resistor pulls the output to ground when disabled.

The 4-WCSP (0.90x0.90 mm) package requires a fine-pitch PCB layout — the 0.50 mm ball pitch typical of this footprint demands careful solder-paste stencil design for reliable assembly.

Frequently asked questions

What is the Rds(on) and output current of TCK207G,LF?

Typical on-resistance is 18.1 mOhm, and the maximum continuous output current is 2 A. The load voltage range is 0.75 V to 3.6 V.

Does TCK207G,LF include reverse-current blocking?

Yes, the fault protection includes reverse-current blocking. It also features slew-rate controlled turn-on and a load-discharge function.

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