Toshiba Launches Multi-Function System Power IC for SSD

TOKYO--(BUSINESS WIRE)--Toshiba Corporation's (TOKYO:6502) Storage & Electronic Devices Solutions Company today launched "TC7738WBG," a multi-function system power IC suited for the power supply of SSD components, such as the SoC core block, IO blocks, NAND flash memory, DRAM, and various sensors. Sample shipments start today with mass production shipments scheduled for the end of January next year.

The “TC7738WBG” is a multi-output power supply IC that incorporates a 6-channel DC-DC converter, a 2-channel power supply and an input protection switch. In systems that use SSD, the voltage differs depending on the interface or application. The new IC allows the input voltage mode setting and output voltage of each channel to be changed simply by changing pin settings, enabling use in numerous systems.

In a typical system, the power supply input line is generally protected by a dedicated IC. Toshiba’s new power IC incorporates this same function as an input protection switch with low-input voltage, over-voltage detection, and a soft start function to prevent inrush current.

The new IC has a function to control the DC-DC converter by automatic switching of Pulse Width Modulation (PWM) or Pulse Frequency Modulation (PFM) operations according to the output load, and realizes highly efficient characteristic in both heavy and light load systems. This allows the IC to support various applications, including portable devices.

Applications
SSD, portable devices, etc.

Main Features of New Product

• Built-in input protection switch
• Supports both 3.3V and 5V systems by changing pin settings
• Buck DC-DC converters (6ch) + LDO (2ch) + load switch (1ch)
• Efficiency control during light load conditions (by switching PWM/PFM operation)
• Compact package (WCSP45; 3.31mm x 2.91mm)

Main Specifications
Part number	TC7738WBG
Control I/F	I2C
Input voltage	3.3V input setting: 2.9 to 3.6V; 5V input setting: 4 to 5.5V
Package	WCSP45 (Size: 3.31 mm x 2.91 mm; Pin pitch: 0.4mm)
DC-DC		Setting 1		Setting 2		Output current (Max)
		3.3V mode	5V mode	3.3V mode	5V mode
	ch1	By-pass mode or 2.5V	2.5V	By-pass mode or 2.5V	2.5V	4A
	ch2	1.35V		1.2V		1A
	ch3	1.8V		1.8V		2A
	ch4	1.0V		1.8V		1A
	ch5	1.0V		0.9V		1A
	ch6	1.0V		0.9V		3.5A
Series power supply	Setting	Setting 1		Setting 2		Output current (Max)
		3.3V mode	5V mode	3.3V mode	5V mode
	LDO1	2.5V		1.8V		0.3A
	LDO2	Bypass mode	2.5V	Bypass mode	3.3V	0.3A
Input protection switch	ON resistance: 20 mΩ (Typ.) Input over-voltage detection, input over-current detection, soft start function
Abnormality detections	Output over-voltage detection, output undervoltage detection, output over-current detection, over-temperature detection
Mass production	End of January 2017 (scheduled)

For more information about this product, please visit:
https://toshiba.semicon-storage.com/ap-en/product/linear/power-supply/detail.TC7738WBG.html

Customer Inquiries
Mixed Signal IC Sales and Marketing Department
Tel: [phone]
https://toshiba.semicon-storage.com/ap-en/contact.html

*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.

About Toshiba
Toshiba Corporation, a Fortune Global 500 company, channels world-class capabilities in advanced electronic and electrical product and systems into three focus business fields: Energy that sustains everyday life, that is cleaner and safer; Infrastructure that sustains quality of life; and Storage that sustains the advanced information society. Guided by the principles of The Basic Commitment of the Toshiba Group, “Committed to People, Committed to the Future”, Toshiba promotes global operations and is contributing to the realization of a world where generations to come can live better lives.

Founded in Tokyo in 1875, today’s Toshiba is at the heart of a global network of 550 consolidated companies employing 188,000 people worldwide, with annual sales surpassing 5.6 trillion yen (US$50 billion). (As of March 31, 2016.)
To find out more about Toshiba, visit www.toshiba.co.jp/index.htm