
Philips Semiconductors
Product data
SA57608
One-cell Lithium-ion battery protection with
over/undercharge and overcurrent protection
2001 Oct 03
3
ORDERING INFORMATION
TYPE NUMBER
PACKAGE
TEMPERATURE
TYPE NUMBER
NAME
DESCRIPTION
RANGE
SA57608XD
SOT-26A
small outline plastic surface mount, 6-pin
–20 to +85
°C
NOTE:
The device has six protection parameter options, indicated by the X on the order code, and defined in the following table.
TYPICAL PROTECTION PARAMETERS
Part Number
Overcharge
detection voltage (V)
Overcharge detection
hysteresis voltage (mV)
Over-discharge
detection voltage (V)
Overcurrent
detection voltage (mV)
SA57608Y
4.350
±0.050
180
2.30
±0.070
150
±30
SA57608B
4.280
±0.025
180
2.30
±0.058
75
±30
SA57608C
4.295
±0.025
150
2.30
±0.058
200
±30
SA57608D
4.350
±0.050
180
2.30
±0.070
200
±30
SA57608E
4.275
±0.025
200
2.30
±0.058
100
±30
SA57608G
4.280
±0.025
200
2.30
±0.058
100
±30
Part number marking
Each device is marked with a four letter code. The first three letters
designate the product. The fourth letter, represented by ‘x’, is a date
tracking code.
Part number
Marking
SA57608YD
A G X x
SA57608BD
A G Y x
SA57608CD
A G Z x
SA57608DD
A H A x
SA57608ED
A H B x
SA57608GD
A H D x
PIN CONFIGURATION
2
3
1
5
4
6
DF
VM
CF
CDLY
VCC
GND
SL01569
Figure 2.
Pin configuration.
PIN DESCRIPTION
PIN
SYMBOL
DESCRIPTION
1
DF
Discharge detection pin. This drives the gate of the discharge N-ch FET
2
VM
Monitor pin. Detects overcurrent and the presence of a charger.
3
CF
Charge FET pin. This drives the gate of the charge control N-ch FET
4
CDLY
Charge Time Delay pin. The capacitor connected to this pin sets the delay
5
VCC
Positive supply voltage input pin. Connect to positive terminal of the cell.
6
GND
Ground pin. Connect to negative terminal of the cell
MAXIMUM RATINGS
SYMBOL
PARAMETER
MIN.
MAX.
UNIT
VIN
Input voltage
–0.3
+12
V
VCF(max)
CF pin voltage
VCC – 28
VCC + 0.3
V
VVM(max)
VM pin voltage
VCC – 28
VCC + 0.3
V
Topr
Operating ambient temperature range
–40
+85
°C
Tstg
Storage temperature
–40
+125
°C
PD
Power dissipation
–
150
mW