Toshiba Adds Five New MOSFET Gate Driver ICs that Will Help Reduce Device Footprints

– TCK42xG Series supports external back-to-back MOSFETs –

KAWASAKI, Japan–(BUSINESS WIRE)–Toshiba Electronic Devices & Storage Corporation (“Toshiba”) has added five products to its lineup of MOSFET gate driver ICs in the TCK42xG Series for mobile devices such as wearables. The new products in the series are equipped with an overvoltage lockout function and control the gate voltage of an external MOSFET according to the input voltage.

The new products are: “TCK420G” for 24V power lines; “TCK422G” and “TCK423G” for 12V power lines; “TCK424G” for 9V power lines; and “TCK425G” for 5V power lines. Along with the already launched “TCK421G” for 20V power lines, they are available now.

With this addition, TCK42xG series now allow users to select a gate-source voltage from two types, 10V and 5.6V, offering coverage of more MOSFETs. In addition, the lineup of the different detection voltages for the input overvoltage lockout function allows the products to be used for power lines from 5V to 24V. When combined with an external back-to-back MOSFET, they are also suitable for configuring a load switch circuit (Fig.1) or a power multiplexer circuit (Fig.2) with a reverse current blocking function. Furthermore, with their built-in charge pump circuit supporting a wide range of input voltages, from 2.7V to 28V, they provide stable voltage between the gate and source of an external back-to-back MOSFET with intermittent operation. This allows large currents to be switched.

Housed in a WCSP6G^[1] package, one of the smallest in the industry^[2], the TCK42xG series realizes high density mounting for small devices, such as wearables and smartphones, helping to reduce their footprint.

Toshiba has also developed “Power multiplexer circuit” Reference Design, a reference design example for a power multiplexer that utilizes the functions of TCK42xG. It is available on Toshiba’s website from today.

Notes :

[1] A 1.2mm x 0.8mm chip scale package

[2] Among MOSFET gate driver ICs, Toshiba survey as of June 2022.

Applications

• Wearables
• Smartphones
• Notebook PC, tablets
• Storage equipment, etc.

Features

• Gate-source voltage setting (5.6V, 10V) depending on input voltage with a built-in charge pump circuit
• Over voltage lock out supports 5V to 24V
• Low input OFF current: I_{Q (OFF)} = 0.5μA (max) @V_IN=5V

Main Specifications

			(Unless otherwise specified, T a=25°C)
Part number			TCK420G	TCK421G [3]	TCK422G	TCK423G	TCK424G	TCK425G
Package	Name		WCSP6G
	Size (mm)		1.2×0.8 (typ.), t=0.35 (max)
Operating ranges	Input operation voltage VIN_opr (V)	@Ta= -40 to 85°C	2.7 – 28
Electrical characteristics	VIN UVLO threshold, VOUT falling VIN_UVLO typ./max (V)	@Ta= -40 to 85°C	2.0/2.5
	VIN OVLO threshold, VOUT falling VIN_OVLO min/max (V)	@Ta= -40 to 85°C	26.50 /28.50	22.34 /24.05	13.61 /14.91		10.35 /11.47	5.76 /6.87
	Standby current (OFF state) IQ(OFF) max (μA)	@VIN=5V, Ta= -40 to 85°C	0.5
	GATE Drive voltage (VGATE1－VIN) (VGATE2－VOUT) VGS typ. (V)	@VIN= 12V/20V	10/10	10/10	10/-	5.6/-	-/-	-/-
	GATE Drive voltage (VGATE1－VIN) (VGATE2－VOUT) VGS typ. (V)	@VIN= 5V/9V	10/10	10/10	10/10	5.6/5.6	5.6/5.6	5.6/-
	VGS ON time tON typ. (ms)	@VIN=5V, CGATE1,2= 4000pF	2.9
	VGS OFF time tOFF typ. (μs)	@VIN=5V, CGATE1,2= 4000pF	52			23
	OVLO VGS turn OFF time tOVP typ. (μs)	@CGATE1,2= 4000pF	31	34	41	16	18	19
Sample Check & Availability			Buy Online	Buy Online	Buy Online	Buy Online	Buy Online	Buy Online

Note:

[3] Already released product

Follow the links below for more on the new product.

TCK420G
TCK422G
TCK423G
TCK424G
TCK425G

To check availability of the new products at online distributors, visit:

TCK420G

https://toshiba.semicon-storage.com/ap-en/semiconductor/where-to-buy/stockcheck.TCK420G.html

TCK422G

https://toshiba.semicon-storage.com/ap-en/semiconductor/where-to-buy/stockcheck.TCK422G.html

TCK423G

https://toshiba.semicon-storage.com/ap-en/semiconductor/where-to-buy/stockcheck.TCK423G.html

TCK424G

https://toshiba.semicon-storage.com/ap-en/semiconductor/where-to-buy/stockcheck.TCK424G.html

TCK425G

https://toshiba.semicon-storage.com/ap-en/semiconductor/where-to-buy/stockcheck.TCK425G.html

* Company names, product names, and service names may be trademarks of their respective companies.

* Information in this document, including product prices and specifications, content of services and contact information, is current on the date of the announcement but is subject to change without prior notice.

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