mc34671aep/r2 Freescale Semiconductor, Inc, mc34671aep/r2 Datasheet - Page 18

• Manufacturer Part Number: mc34671aep/r2
• Description: Mc34671 600ma High-input Voltage Charger For Single-cell Li-ion And Li-polymer Batteries
• Manufacturer: Freescale Semiconductor, Inc

MCU INTERFACED CHARGER
control, the MC34671 uses PPR to report the DC input status
to the MCU. After the MCU pulls the EN pin to a logic low
18
34671
TYPICAL APPLICATIONS
APPLICATIONS
When the charger is used in handheld systems with MCU
Input
1µF
5.23k
Figure 24. MCU Interfaced Charger
VIN
GND
ISET
FAST
CHG
PPR
BAT
EN
voltage to start charging, the MC34671 reports the charge
status through CHG and FAST pins to the MCU. The MCU
can also monitor the charge current by measuring the voltage
at the ISET pin.
ON
2.2µF
OFF
Figure 24
Li+
Analog Integrated Circuit Device Data
is the typical application circuit.
V
IO
100kx3
Freescale Semiconductor
MCU