BATTERY PROTECTION IC FOR 2-SERIAL / 3-SERIAL CELL PACK (SECONDARY PROTECTION)

S-8223A/B/C/D Series

10

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Test Circuits

1. Overcharge detection voltage, overcharge hysteresis voltage (Test circuit 1)

Set SW1 to OFF in CMOS output product of the S-8223A/C Series and in the S-8223B/D Series, and set SW1 to ON in

Nch open-drain output product of the S-8223A/C Series.

voltage when the CO pin output inverts after the V1 voltage has been gradually increased.

decreased.

2. Output voltage (S-8223B/D Series) (Test circuit 1)

Set SW1 to OFF in the S-8223B/D Series.

2. 1 CO pin output voltage "H"

= V3 = 5.2 V.

3. Output current (Test circuit 4)

3. 1 CMOS output product in S-8223A/C Series

Set SW4 and SW5 to OFF.

3. 1. 1 Active "H"

Set SW4 to ON after setting V1 = 5.2 V, V2 = 2.8 V, V3 = 2.5 V, V4 = 0.5 V. I1 is the CO pin source

time.

3. 1. 2 Active "L"

that time.

Set SW5 to ON after setting V1 = 5.2 V, V2 = 2.8 V, V3 = 2.5 V, V4 = 0.5 V. I2 is the CO pin sink current