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Battery Management


Lithium-ion (Li-Ion) batteries require extremely accurate charging current and output voltages to optimize battery life and performance. To address this need, Freescale has a family of battery charger ICs designed to provide the industry's highest performance and accuracy, as well as exceptional configuration flexibility.
Freescale's battery charger ICs offer output voltage accuracy of +/-0.4 percent over temperature and charging current accuracy of +/-5 percent over temperature. The ICs can be customized to create hundreds of configurations to address a wide range of portable and ultramobile device needs. A designer can select features and specifications, such as pin-out, feature set, charging parameters and LED indication, and Freescale can deliver customized charger ICs by programming them at the end of the manufacturing process.

Freescale's battery sensor ICs offer superior voltage, current and temperature measurement accuracy. They are designed to minimize power consumption without compromising accuracy or data processing capabilities. These ICs are fully automotive qualified, which make them ideal for in-vehicle battery monitoring applications.



Link Battery Sensors


Link Battery Chargers



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Datasheet/ Part Data Hide
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Sample
Device Function Hide
BATTERY CHARGERS
BATTERY SENSORS
COMM TRANSCEIVERS
EMBEDDED MCU PLUS POWER
SYSTEM BASIS CHIP
Supply Voltage Hide
3.5 TO 28
4 TO 6.25
4.3 TO 10
4.3 TO 6.6
Communication Protocol Hide
LIN
Data Rate Hide
20
Data Rate Hide
100
Num. of Linear/LDO Regulators Hide
1
Output Voltage Hide
4.2
4.85
Output Current Hide
0.01
0.05
0.4
0.45
0.6
0.65
0.85
1
1.05
1.2
to
Load Supply Voltage Hide
3.5
Load Supply Voltage Hide
28
Battery Charger Hide
LI-ION
LI-POLYMER
Number of Battery Cells Hide
1
Charge Termination Method Hide
END OF CHARGE (EOC)
MCU CONTROL
OVER VOLTAGE (OVP)
TIMEOUT
Charge Current Type Hide
CONSTANT CHARGE CURRENT
END OF CHARGE CURRENT
TICKLE CHARGE CURRENT
Core: Type Hide
HCS12
Ambient Operating Temperature Hide
-40 TO 105
-40 TO 125
-40 TO 85
Interface and Input Control Hide
PARALLEL
Diagnostics Hide
SPI
Protection Hide
BATTERY THERMAL REGULATION
DIE TEMPERATURE CURRENT LIMIT
OVER VOLTAGE PROTECT
OVERVOLTAGE
UNDERVOLTAGE
Additional Features - Power Management Hide
AC SUPPLY VOLTAGE
END OF CHARGE TERMINATION
OVER VOLT. CHARGE TERMINATION
PROG. AC/USB CHARGE CURRENT
PROG. EOC CURRENT
USB SUPPLY VOLTAGE
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More
MM912_637 (8)
DataSheetPart Number Table
Distributor
Buy Direct
Sample
Xtrinsic Battery Sensor with LIN for 12V Lead-acid Batteries Active System Basis Chip
Embedded MCU plus Power
Comm Transceivers
Battery Sensors
3.5 to 28 LIN 20 100 - - - 3.5 28 - - - - HCS12 -40 to 105
-40 to 125
- SPI Undervoltage
Overvoltage
-
MC34671 (1)
DataSheetPart Number Table
Distributor
 
Sample
600 mA High-input Voltage Charger for Single-cell Li-Ion and Li-Polymer Batteries Active Battery Chargers 4.3 to 10 - - - - 4.2 0.6 - - Li-Polymer
Li-Ion
1 End of Charge (EOC)
MCU control
Over Voltage (OVP)
Tickle Charge Current
Constant Charge Current
- -40 to 85 Parallel - Over Voltage Protect
Die Temperature Current Limit
AC Supply Voltage
End of Charge Termination
Over Volt. Charge Termination
MC34673 (1)
DataSheetPart Number Table
Distributor
 
Sample
1.2 A High Input-Voltage Charger for Single-Cell Li-Ion and Li-Polymer Batteries Active Battery Chargers 4.3 to 6.6 - - - - 4.2 1.2 - - Li-Polymer
Li-Ion
1 End of Charge (EOC)
MCU control
Over Voltage (OVP)
Tickle Charge Current
Constant Charge Current
- -40 to 85 Parallel - Over Voltage Protect
Die Temperature Current Limit
Battery Thermal Regulation
AC Supply Voltage
End of Charge Termination
Over Volt. Charge Termination
MC34674 (4)
DataSheetPart Number Table
Distributor
Buy Direct
 
High Input-Voltage Travel Charger for Single-Cell Li-Ion and Li-Polymer Batteries Active Battery Chargers 4.3 to 10 - - - - 4.2
4.2
4.2
4.2
0.85
1.05
0.45
0.65
- - Li-Polymer
Li-Ion
1 End of Charge (EOC)
Timeout
MCU control
Over Voltage (OVP)
Tickle Charge Current
Constant Charge Current
- -40 to 85 Parallel - Over Voltage Protect
Die Temperature Current Limit
Battery Thermal Regulation
AC Supply Voltage
End of Charge Termination
Over Volt. Charge Termination
MC34675 (1)
DataSheetPart Number Table
Distributor
 
Sample
28 V Input Voltage Single-cell Li-Ion Battery Charger with 10 mA Regulator Active Battery Chargers 4.3 to 6.6 - - - 1 4.2
4.85
1
0.01
- - Li-Ion 1 End of Charge (EOC)
Timeout
MCU control
Over Voltage (OVP)
Tickle Charge Current
Constant Charge Current
End of Charge Current
- -40 to 85 Parallel - Overvoltage
Die Temperature Current Limit
End of Charge Termination
MC34676 (1)
DataSheetPart Number Table
Distributor
 
Sample
Dual 28 V Input-Voltage Charger with Linear Regulator Active Battery Chargers 4 to 6.25 - - - 1 4.2
4.2
4.85
1.2
0.4
0.05
- - Li-Ion 1 MCU control
Over Voltage (OVP)
Tickle Charge Current
Constant Charge Current
End of Charge Current
- -40 to 85 Parallel - Die Temperature Current Limit
Overvoltage
USB Supply Voltage
Prog. AC/USB charge current
Prog. EOC current
AC Supply Voltage


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