STEVAL-ISB007V1 Datasheet, PDF (4/6 Pages) STMicroelectronics – Low cost Li-Ion battery charger demonstration board based on the ST7260 and L6924U

Circuit schematics
Figure 3. Power supply
J2
3 ^ADPT_V
2
1
D7
VIN
STPS1L30U
STEVAL-ISB007V1
C17
4.7nF
USB CONN1
6
7
8
9
SHELL
SHELL
SHELL
SHELL
R29
1M
USB_VCC
USBDM
USBDP
ID
USB_GND
1
2
3
4
5
USB-mini-B CONN
VBUS _.5A
1 _I/O1
C7
100nF
U3
VBUS
2 _GND
I/O1 ⁶
3 _I/O2
I/O2 ⁴
USBLC6-2SC6
R7
22 ^USBDM
R8 ^USBDP
22
Figure 4. USB-B connector
D8
VBUS
VIN
STPS1L30U
VBUS
R25
10k
VBUS_CHECK
ADPT_V
R26
10k
ADPT_CHECK
R27
R28
10k
10k
CONTROL_IO
Figure 5. Reset
VIN
U1
VSS ³
RST ¹
VCC ²
STM1001
SOT23
RESET
VIN
R1
4k7
R3
1M
SW1
C1
10nF
C2
10nF
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