CS213 datasheet(5/13 Pages) NEOTEC

5 / 13 page

CS213

Neotec Semiconductor Ltd.

5/13

CS213DS V1.5 2014/07/18

www.neotec.com.tw

The above information is the exclusive intellectual property of Neotec Semiconductor Ltd. and shall not be disclosed, distributed without permission from Neotec.

Test Circuits

Over-charge, over-discharge and the release detection voltages (test circuit 1)

1) Set V1=3.5V, V2=0V, S1=ON, then CS213 series enter operating mode.

2) Increase V1 voltage (from 3.5V) gradually. The V1 voltage is the over-charge detection voltage (VDET1)

when CO pin goes low (from high).

3) Decrease V1 gradually. The V1 voltage is the over-charge release detection voltage (VREL1) when CO

pin goes high again.

4) Continue decreasing V1. The V1 voltage is the over-discharge detection voltage (VDET2) when DO pin

goes low. Then increase V1 gradually. The V1 voltage is the over-discharge release detection voltage

(VREL2), when DO pin returns to high.

Note: The over-charge and over-discharge release voltages are defined in versions.

Discharge over-current detection voltage (test circuit 1)

1) Set V1=3.5 V, V2=0V, S1=ON and CS213 series enter operating condition.

2) Increase V2 (from 0V) gradually. The V2 voltage is the discharge over-current detection voltage (VDET3)

when DO pin goes low (from high).

Load short-circuiting detection voltage (test circuit 1)

1) Set V1=3.5V, V2=0V, S1=ON and CS213 series enter operating condition.

2) Increase V2 immediately (within 10uS) till DO pin goes “low” from high with a delay time which is

between the minimum and the maximum of Load short-circuiting delay time.

Over-charge, over-discharge delay time (test circuit 1)

1) Set V1=3.5V, V2=0V, S1=ON to enter operating condition.

2) Increase V1 from VDET1-0.2V to VDET1+0.2V immediately (within 10us). The over-charge detection delay

time (tVDET1) is the period from the time V1 gets to VDET1+0.2V till CO pin switches from high to low.

3) Set V1=3.5V, V2=0V, S1=ON and S2 = OFF to enter operating condition.

4) Decrease V1 from VDET2+0.2V to VDET2-0.2V immediately (within 10us). The over-discharge detection

delay time (tVDET2) is the period from the time V1 gets to VDET2-0.2V till DO pin switches from high to low.

Discharge over-current delay time (test circuit 1)

1) Set V1=3.5V, V2=0V, S1=ON to enter operating condition.

2) Increase V2 from 0V to 0.25V immediately (within 10us). The discharge over-current detection delay

time (tVDET3) is the period from the time V2 gets to 0.25V till DO pin switches from high to low.

Load short-circuiting delay time (test circuit 1)

1) Set V1=3.5V, V2=0V, S1=ON to enter operating condition.

2) Increase V2 from 0V to 1.6V immediately (within 10us). The Load short-circuiting detection voltage delay

time (tSHORT) is the period from the time V2 gets to 1.6V till DO pin switches from high to low.

Operating current consumption (test circuit 2)

1) Set V1=3.5V, V2=0V and S1=ON to enter operating condition and measure the current I1. I1 is the

operating condition current consumption (IDD).

0V battery charge starting charger voltage (test circuit 3)

1) Set V1=V2=0V, increase V2 gradually.

2) The V2 voltage is the 0V charge starting voltage (V0CHA) when CO pin switches from low to high (V V- +

0.1V or higher).

Recommended:

1) '0 V charge available' doesn't means CS213 can recover the zero-V cell to be full charged if this cell has

been already damaged due to too low voltage.

2) For safety consideration, we strongly recommended to select '0 V charge inhibition' to prevent from

charging a damaged cell.

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