ATAVRSB202 Atmel, ATAVRSB202 Datasheet

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ATAVRSB202

Manufacturer Part Number
ATAVRSB202
Description
KIT BATT MGMT FOR ATMEGA32HVB
Manufacturer
Atmel
Datasheets

Specifications of ATAVRSB202

Main Purpose
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Embedded
*
Utilized Ic / Part
*
Primary Attributes
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Secondary Attributes
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Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lithium-ion batteries is the technology of choice for portable handheld applications due to the high energy
density at low weight and volume.
Battery management devices are designed to protect and ex-
tend the lifetime of lithium-ion batteries. The main functions of
the electronic protection are:
Safety is a major criterion for battery usage and recent industry
problems – generating huge recalls from manufacturers – illus-
trates the importance of safe and accurate control functions.
End-user equipment manufacturers are endorsing the
responsibility in case of problem, so it is important for them to
make sure that users will permanently use certified battery pack and not a copy pack of unknown quality. This
require for authentication mechanisms on the battery itself.
Combining AVR
established cooperation with key battery manufacturers, Atmel
Overvoltage protection
Undervoltage protection
Short circuit protection
High Accuracy Gas Gauging
Battery Management Devices
for Lithium-ion Batteries
Reference Designs
One-chip Solution
Safety Functions
Authentication
®
microcontroller’s performance with leading-edge high-voltage technology and with a long-
Overcurrent protection
Temperature supervision
dedicated to Li-Ion battery management supporting from 1 to 4 cells in
series. This product family offers a unique set of features to optimize per-
formance and security. This includes an outstanding voltage measure-
ment accuracy of ±12.5 mV in the 0 to +60°C temperature range, helping
customers to extend the battery energy that can be safely used between
recharging.
The one-chip solution is minimizing the component count on the PCB and
is available in tiny packages. A full range of development tools is available
to facilitate battery design. This includes reference designs with firmware,
evaluation kit and PC software.
®
has developed a full range of microcontrollers
BATTERY mAnAgEmEnT SOLUTIOnS
°C
communication
Serial
+
-

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ATAVRSB202 Summary of contents

Page 1

... Combining AVR microcontroller’s performance with leading-edge high-voltage technology and with a long- ® established cooperation with key battery manufacturers, Atmel dedicated to Li-Ion battery management supporting from cells in series. This product family offers a unique set of features to optimize per- formance and security. This includes an outstanding voltage measure- Safety Functions ment accuracy of ± ...

Page 2

... Atmel’s battery management solutions give designers and users significant benefits in addition to safe operation. Safety Atmel’s high accuracy analog functions combined with several layers of safety functions ensures the safest operation of the lithium-ion batteries. Communication Communication with the battery enables advanced functions that can be used to improve the safety as well as extend the battery life ...

Page 3

... Atmel’s battery management devices combine all the necessary functions into one monolithic chip. Manu- factured in Atmel’s patented high voltage process with elements of the picoPower™ design techniques, the devices offer a unique performance and flexibility at very low power consumption. The integrated and high accuracy analog functions ensure the maximum available energy in the batteries can be used while keeping the cost down ...

Page 4

... AES based authentication  SHA2 based authentication  Command set based on SMBus specification  by starting the ® Reference design ATAVRSB201 ATAVRSB202 ATAVRSB204 ATAVRSB206 Headquarters Atmel Corporation 2325 Orchard Parkway San Jose, CA 95131, USA Tel: 1(408) 441-0311 Fax: 1(408) 487-2600 International Atmel Asia ...

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