STBC02 datasheet(15/39 Pages) STMICROELECTRONICS

Part #	STBC02

Description	Li-Ion linear battery charger with LDO, load switches and reset generator

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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STBC02

Typical performance characteristics

DocID029261 Rev 2

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5

Typical performance characteristics

Figure 3: Battery mode 3 V LDO load transient

response

Figure 4: Thermal management

VBAT = 3.7 V, 10 mA to 150 mA, slope 150 mA/1 µs

VBAT = 3.7 V, VIN = 5.0 V

CH2 (red) = LDO 1 V/div

CH3 (green) = LDO 10 mV/div

CH4 (pink) = LDO load variation

CH1 (blue) = VSYS

CH2 (red) = LDO

CH3 (green) = VBAT

CH4 (pink) = IBAT

Figure 5: VIN mode, overvoltage protection

Figure 6: Pre-charge to fast charge mode transition

threshold

Charging is resumed when OVP disappears

CH1 (blue) = VIN 800 mV/div

CH2 (red) = VSYS 800 mV/div

CH3 (green) = VBAT 800 mV/div

CH4 (pink) = IBAT 20 mA/div

CH1 (blue) = VIN 800 mV/div

CH2 (red) = VSYS 800 mV/div

CH3 (green) = VBAT 800 mV/div

CH4 (pink) = IBAT 20 mA/div

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