Purchase SAA1502ATS, In-stock SAA1502ATS From SeekIC.
Part Number: SAA1502ATS
Description: The SAA1502ATS is manufactured in a Bipolar, CMOS and DMOS (BCD) Power Logic 70 process and is intende...
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SAA1502ATS
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DataSheet
General Description
SAA1502ATS General 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 are especially designed for use in battery packs for portable telephones such as GSM.
The circuit 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.
It 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.
SAA1502ATS Maximum Ratings
| 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 |
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 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.
· 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.
SAA1502ATS Connection Diagram
SAA1502ATS
PDF/DataSheet Download
- Datasheet: SAA1502ATS
- File Size: 110835 KB
- Manufacturer: PHILIPS [Philips Semiconductors]
- Click here to Download
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