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| SGM4056 Datasheet, PDF (10/19 Pages) SG Micro Corp – High Input Voltage Charger | |||
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SGM4056
TYPICAL APPLICATIONS
High Input Voltage Charger
TO INPUT
C1
OFF
ON
VIN
BAT
IREF
IMIN
SGM4056
CHG
EN
PPR
GND
RIREF
RIMIN
TO BATTERY
R1 R2
C2
D1 D2
Figure 1. Typical Application Circuit Interfacing to Indication LEDs
TO INPUT
C1
VIN
BAT
IREF
IMIN
SGM4056
OFF EN
ON
GND
CHG
PPR
RIREF
RIMIN
TO BATTERY
C2
VCC
R1 R2
Figure 2. Typical Application Circuit with the Indication Signals Interfacing to an MCU
COMPONENT DESCRIPTION FOR FIGURE 1
PART
DESCRIPTION
C1
C2
RIREF
RIMIN
R1, R2
D1, D2
1μF X5R ceramic cap
1μF X5R ceramic cap
24.3kâ¦, 1%, for 500mA charge current
243kâ¦, 1%, for 40mA EOC current
300â¦, 5%
LEDs for indication
COMPONENT DESCRIPTION FOR FIGURE 2
PART
DESCRIPTION
C1
C2
RIREF
RIMIN
R1, R2
1μF X5R ceramic cap
1μF X5R ceramic cap
24.3kâ¦, 1%, for 500mA charge current
243kâ¦, 1%, for 40mA EOC current
100kâ¦, 5%
SG Micro Corp
10
www.sg-micro.com
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