fs356a Fortune Semiconductor Corporation, fs356a Datasheet - Page 3

• Manufacturer Part Number: fs356a
• Description: One Cell Lithium-ion/polymer Battery Protection Ic
• Manufacturer: Fortune Semiconductor Corporation

Rev. 1.2
1.
FS356 is a series of lithium-ion and lithium polymer
rechargeable battery protection ICs with high
accurate voltage detection and delay circuits.
These ICs are suitable for protection of single cell
lithium-ion or lithium polymer battery packs from
over charge, over discharge, and over current.
2.
3.
Low supply currentOperation:
Power-down mode:
Overcharge detection voltage (Vdet1):
Overdischarge detection voltage (Vdet2):
Excess
Excess charge current detection voltage (Vdet4):
Short circuit protection voltage (Vshort):
Delay times are generated by an internal circuit.
DS pin for reduce preset output delay time
0V-Battery charging function
With latch function after overcharge detection
Protection
(Vdet3):
(External capacitors are unnecessary.)
Lithium-Polymer Battery Pack
General Description
Features
Applications
discharge
3.0uA typ. @VDD=3.9V
0.1uA max. @VDD=2.0V
4.0V~4.4V,
(Ta=25°C)
2.0V~3.0V, Accuracy of ±2.5%
0.05V~0.20V, Accuracy of ±30mV
Fixed at -0.1V, Accuracy of ±30mV
V
DD
IC
– 1.1V, Accuracy of ±0.3V
for
current
One-Cell
Accuracy
detection
Lithium-Ion
of
±25mV
voltage
/
4.
Serial code
5.
Overcharge,
detection voltages can be changed at the customer’s
request.
FS356A
FS356B
Model
Ordering Information
Product Name List
FS356 A-XX
detection voltage
Overcharge
[Vdet1] (V)
overdischarge
4.275
4.275
P(Pb-free SOT-26)
SA(S:Pb-free DFN，A:Package
Size 1.6*1.6 mm
detection voltage
Overdischarge
[Vdet2] (V)
2.300
2.600
and
2
overcurrent
)
detection voltage
[Vdet3] (mV)
FS356
Overcurrent
100
3/14
50