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AM-HSB(X)-7 Datasheet(Fiches technique) 2 Page - Diodes Incorporated

Numéro de pièce AM-HSB(X)-7
Description  SINGLE CHIP SOLUTION FOR 1-CELL Li BATTERY PACK
Télécharger  17 Pages
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Fabricant  DIODES [Diodes Incorporated]
Site Internet  http://www.diodes.com
Logo DIODES - Diodes Incorporated

AM-HSB(X)-7 Datasheet(HTML) 2 Page - Diodes Incorporated

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AP9214L
Document number: DS38413 Rev. 1 - 2
2 of 17
www.diodes.com
December 2015
© Diodes Incorporated
AP9214L
Typical Applications Circuit (Note 4)
U1
AP9214L
(U-DFN2535-6)
BAT
P+
C1
100n
R2
2.7k
Ω
P-
VDD
VSS
S1
S2
VM
1(1)
2(2)
3(3)
4(5)
6(6)
R1
330
Ω to 470Ω
Note:
4.
R1 and C1 are used to stabilize the supply voltage of the AP9214L. The recommended range of R1 value is 330Ω to 470Ω and C1 value is 10nF to
1000nF, typical value is 100nF. R2 should be connected between P- to VM sense terminal to monitor the status of charger and the charge/discharge
current. The R2 should be between 300Ω and 4kΩ, typical value is 2.7kΩ. R1 and R2 are also used as current limit resistors if the battery or charger is
connected reversely. Polarity reversing may cause the power consumption of R1 and R2 to go over their power dissipation rating, therefore R1 and R2
values should be selected
appropriately for the actual application. If R2 is more than 4kΩ resistor, charge may not be off due to the voltage drop on R2.
For power-down mode, when first connecting AP9214L system board to the battery, it is necessary to use charger or to short P- to the battery negative
polarity. Once the AP9214L is activated, the charger or connection can be removed, otherwise the battery cannot discharge current through system
board.
The values selected should follow the recommended typical range mentioned above. It has not been confirmed whether the operation is normal or not in
circuits other than the above example of connection. In addition, the example of connection shown above and the typical value do not exactly guarantee
proper operation. Please perform the actual application to set the suitable value through your complete evaluation.
Pin Descriptions
Pin Number
Option 1
Pin Number
Option 2
Pin Name
Function
1
1
S1
Source pin of discharging MOSFET, connecting this pin to battery negative pole.
2
2
VSS
Negative power supply pin.
3
3
VDD
Positive power supply pin, connecting this pin to battery positive pole through R1.
4
5
VM
Charger negative input pin, short this pin to S2 pin through R2.
5
4
NC
Not connected, leave this pin floating.
6
6
S2
Source pin of charging MOSFET, connecting this pin to charge negative input.
EP
EP
Drain
Thermal PAD is common drain of charge and discharge MOSFET, so in PCB layout, prefer to
use large copper area to cover this pad for better thermal dissipation, then leave it open.
A (B)
A for Pin-out Option 1
B for Pin-out Option 2


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