SMB135 查看數據表（PDF） - Summit Microelectronics
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SMB135
Summit Microelectronics
SMB135 Datasheet PDF : 34 Pages
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SMB135
CONFIGURATION REGISTERS (CONT.)
Table 8 – Battery charging control – 8-bit (address: 05h) – Non-Volatile & Volatile (mirror)
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Status Output
0
X
X
X
X
X
X
X
STAT is active low while charging, active high
all other times
1
X
X
X
X
X
X
X
STAT blinks while charging, is active low
when finished, active high when disabled
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Glitch Filter
X
X
0
X
X
X
X
X
Glitch filter enabled
X
X
1
X
X
X
X
X
Glitch filter disabled
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Fast-charge Timeout
X
X
X
X
0
0
X
X
350 min
X
X
X
X
0
1
X
X
699 min
X
X
X
X
1
0
X
X
1398 min
X
X
X
X
1
1
X
X
Disabled
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Pre-charge Timeout
X
X
X
X
X
X
0
0
44 min
X
X
X
X
X
X
0
1
87 min
X
X
X
X
X
X
1
0
175 min
X
X
X
X
X
X
1
1
Disabled
Table 9 – STAT and USB500/100 Settings – 8-bit (address: 07h) – Non-Volatile
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
STAT Output Indicator
X
X
X
X
X
0
X
X
Battery charge status
X
X
X
X
X
1
X
X
Input over-voltage or input under-voltage
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Battery over-voltage Behavior
X
X
X
X
X
X
0
X
Charger is not shutdown
X
X
X
X
X
X
1
X
Charger is shutdown
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
USB500/100 Control
X
X
X
X
X
X
X
0
USB500/100 input pin
X
X
X
X
X
X
X
1
USB500/100 register (address 31h)
Table 10 – Frequency Selection – 8-bit (address: 08h) – Non-Volatile
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
0
0
X
X
X
X
X
X
0
1
X
X
X
X
X
X
1
0
X
X
X
X
X
X
1
1
X
X
X
X
X
X
Note 7: Never Write to Reserved bits.
Switching Frequency
750kHz
1000kHz
1250kHz
1250kHz
Summit Microelectronics, Inc
2106 3.1 11/4/2008
28
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