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SAA1502ATS

Features: · Integrated power switches· Temperature protection· Zero voltage start-up· Discharge and charge overcurrent protection· Automatic release of current protection at removal of charger or load· Extremely low current consumption when battery voltage is lower than 2.3 V· Low current consumpt...

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SeekIC No. : 004483877 Detail

SAA1502ATS: Features: · Integrated power switches· Temperature protection· Zero voltage start-up· Discharge and charge overcurrent protection· Automatic release of current protection at removal of charger or lo...

SAA1502ATS Data Sheet

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Part Number:
SAA1502ATS
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/12/26

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Product Details

Description



Features:

· Integrated power switches
· Temperature protection
· Zero voltage start-up
· Discharge and charge overcurrent protection
· Automatic release of current protection at removal of charger or load
· Extremely low current consumption when battery voltage is lower than 2.3 V
· Low current consumption in normal operation mode
· Accurate voltage detection levels
· Low resistance in current path
· Able to accommodate 17.5 V charge voltage
· Read out of charge disable status
· Small package (SSOP16)
· Low external components count
· Continuous monitoring of the battery voltage and (dis)charge current.


Pinout

Connection Diagram


Specifications

SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
VCC positive battery sense input voltage DC constant -0.3 +4.5 V
VCC(clamp) VCC clamping voltage t < 60 ms and ICC = 7 mA - 8.5 V
ICC maximum current through the VCC clamp   - 7 mA
VVM negative sense input voltage   VCC - 17.5 VCC V
VST status output voltage   VVM VCC V
IRpath |current through SW1 and SW2|   - 27 A
Tamb operating ambient temperature   -25 +80 °C
Tstg storage temperature   -55 +150 °C
|IVSS-VM| maximum body diode current (DC value)   - 800 mA



Description

The SAA1502ATS is manufactured in a Bipolar, CMOS and DMOS (BCD) Power Logic 70 process and is intended to be used as a protection circuit for single cell Li-ion battery packs. The current and voltage ratings of SAA1502ATS are especially designed for use in battery packs for portable telephones such as GSM.

The SAA1502ATS monitors the battery voltage, current and temperature and will disconnect the battery in case of an overload situation:
· Overdischarge protection prevents deep discharge of the cell; deep discharge of a Li-ion cell degrades the lifetime
· Overcharge protection for safety reasons
· Overcurrent protection on charge as well as discharge current rate
· Temperature protection for preventing charge or discharge at high temperatures.

SAA1502ATS must be stated that the unit is a safety unit to be integrated inside a battery pack. It is not intended as an end of charge provision.




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