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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)
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Main Specifications
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Part number
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TC7738WBG | |||||||||||||
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Control I/F
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I2C | ||||||||||||
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Input voltage
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3.3V input setting: 2.9 to 3.6V; 5V input setting: 4 to 5.5V | ||||||||||||
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Package
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WCSP45 (Size: 3.31 mm x 2.91 mm; Pin pitch: 0.4mm) | ||||||||||||
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DC-DC
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Setting 1
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Setting 2
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Output current (Max) |
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3.3V mode
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5V mode
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3.3V mode
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5V mode
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ch1
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By-pass mode or 2.5V |
2.5V
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By-pass mode or 2.5V |
2.5V
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4A
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ch2
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1.35V
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1.2V
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1A
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ch3
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1.8V
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1.8V
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2A
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ch4
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1.0V
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1.8V
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1A
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ch5
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1.0V
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0.9V
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1A
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ch6
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1.0V
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0.9V
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3.5A
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Series power supply |
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Setting
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Setting 1
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Setting 2
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Output current (Max) |
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3.3V mode
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5V mode
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3.3V mode
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5V mode
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LDO1
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2.5V
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1.8V
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0.3A
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LDO2
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Bypass mode |
2.5V
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Bypass mode |
3.3V
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0.3A
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Input protection switch |
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ON resistance: 20 mΩ (Typ.) Input over-voltage detection, input over-current detection, soft start function |
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Abnormality detections |
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Output over-voltage detection, output undervoltage detection, output over-current detection, over-temperature detection |
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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: +81-44-548-2821
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 Futureâ€, 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
View source version on businesswire.com: http://www.businesswire.com/news/home/20161214006362/en/
Contacts
Media Inquiries:
Toshiba Corporation
Storage & Electronic Devices Solutions Company
Chiaki Nagasawa, +81-3-3457-4963
semicon-NR-mailbox@ml.toshiba.co.jp
Source: Toshiba Corporation Storage & Electronic Devices Solutions Company
Reporter: PR Wire
Editor: PR Wire
Copyright © ANTARA 2016
