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Product Detailed Parameters
- Description:BUCK-BOOST BATTERY CHARGER FOR M
- Series:-
- Mfr:Renesas Electronics Corporation
- Package:Tube
- Battery Chemistry:Lithium Ion/Polymer
- Voltage - Supply (Max):23.4V
- Operating Temperature:-
- Mounting Type:Surface Mount
- Package / Case:32-WFQFN Exposed Pad
- Supplier Device Package:32-TQFN (4x4)
- Number of Cells:2 ~ 4
- Current - Charging:Constant - Programmable
- Programmable Features:-
- Fault Protection:-
- Charge Current - Max:-
- Battery Pack Voltage:18.304V (Max)
- Interface:I2C, SMBus, USB
- Grade:-
- Qualification:-
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Overview
The RAA489101A3GNP#AA0 is a Buck-Boost battery charger IC from Renesas Electronics Corporation, designed for smart battery applications. It supports a maximum battery pack voltage of 30.8V and accommodates 2 to 7 cells. The device features programmable constant current charging with adjustable timer and voltage settings. It includes overvoltage and undervoltage fault protection mechanisms. The component operates within a junction temperature range of -10°C to 125°C and utilizes a USB interface. It is housed in a 32-WFQFN exposed pad package (32-TQFN 4x4) for surface mount installation.
Feature Summary
- Buck-Boost topology for wide input voltage compatibility
- Programmable charging parameters including current, voltage, and timer
- Integrated overvoltage and undervoltage fault protection
- Supports smart battery communication via USB interface
Applications
- Smart battery charging systems
- Portable electronic devices requiring wide input voltage ranges
- Battery packs with 2 to 7 series cells
- Industrial equipment with strict thermal requirements
Procurement Notes
Verify the exact part number suffix against official Renesas documentation to ensure correct packaging and tape/reel specifications. Confirm that the required operating temperature range aligns with the specified -10°C to 125°C junction limit. Check for any specific RoHS compliance status updates or lifecycle notices directly from the manufacturer before finalizing procurement plans.
Selection Notes
Select this component when a Buck-Boost architecture is necessary to handle input voltages both above and below the battery pack voltage. Ensure the application requires support for up to 7 series cells and a maximum voltage of 30.8V. Consider the 32-TQFN package size if space constraints are critical. Verify that USB interface integration is required for battery management communication.
Part Context
This part belongs to the RAA4891xx series of battery chargers from Renesas Electronics. It is specifically engineered for smart battery applications, distinguishing it from standard linear or buck-only chargers. The series offers integrated protection features and programmable control, suitable for complex power management needs in portable and industrial sectors.
Replacement Considerations
RAA489118ARGNP#AA0 is listed as a parameter-equivalent substitute by distributors. Verify functional equivalence and pinout compatibility through official datasheets before substitution.
FAQ
What is the maximum battery pack voltage supported?
The RAA489101A3GNP#AA0 supports a maximum battery pack voltage of 30.8V.
Does this IC support smart battery communication?
Yes, the device includes a USB interface for smart battery communication.
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