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Documents Press Release - Maxim - Li+ battery charger has GSM test mode in a 6mm² TDFN
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  • Author Author: rwang
  • Date Created: 18 Mar 2010 5:22 AM Date Created
  • Last Updated Last Updated: 7 Oct 2021 3:33 AM
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Press Release - Maxim - Li+ battery charger has GSM test mode in a 6mm² TDFN

The MAX8922L 30V battery charger offers a GSM test mode to facilitate production-line testing and calibration of cell phones with Micro-USB connectors.

 

SUNNYVALE, CA—March 10, 2010—Maxim Integrated Products (NASDAQ: MXIM) introduces the MAX8922L, a 30V, single-input lithium-ion (Li+) charger with a 2.3A GSM test mode. The inclusion of a GSM test mode facilitates production-line calibration and testing of devices with a Micro-USB connector. Using this charger, designers can quickly calibrate their GSM phones without having to install a battery. The MAX8922L is well suited for GSM, EDGE, UMTS, and CDMA cell phones.image

 

The MAX8922L's input is overvoltage protected to 30V, eliminating the need for an external overvoltage-protection IC. The device includes a 4.94V LDO output to safely power the low-voltage VBUS input. The fast-charge current and top-off current thresholds can be configured using an external resistor for design flexibility. The MAX8922L also allows the fast-charge current and GSM test mode to be programmed through a single-wire interface. The charger status and valid input power are indicated by two open-drain outputs.

 

The MAX8922L is packaged in a 3mm x 2mm, 10-pin TDFN package. Prices start at $1.60 (1000-up, FOB USA).

 

Maxim Integrated Products is a publicly traded company that designs, manufactures, and sells high-performance semiconductor products. The Company was founded over 25 years ago with the mission to deliver innovative analog and mixed-signal engineering solutions that add value to its customers' products. To date, it has developed over 6300 products serving the industrial, communications, consumer, and computing markets.

 

Maxim reported revenue in excess of $1.6 billion for fiscal 2009. A Fortune 1000 company, Maxim is included in the Nasdaq 100, the Russell 1000, and the MSCI USA indices. For more information, go to www.maxim-ic.com.

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