ADP8860 Analog Devices, ADP8860 Datasheet - Page 31

• Manufacturer Part Number: ADP8860
• Description: Charge Pump, 7-Channel Smart LED Driver with I2C Interface
• Manufacturer: Analog Devices

Specifications of ADP8860

• Vin Range: 2.4V to 5.5V
• Vout (v): 4.3 to 5.5
• Synchronous: No
• Package: 20-Lead WLCSP
• Led Configuration: Parallel
• Topology: Capacitive
• I2c Support: Yes
• Max Iout (ma): 60mA
• Brightness Control: I2C
• Peak Efficiency (%): 89%
• Switching Frequency: 1MHz

Bit Name
D5EN
D4EN
D3EN
D2EN
D1EN
Backlight Off Timeout (BLOFF)—Register 0x06
Table 20. BLOFF Bit Map
Bit 7
Reserved
Table 21. Bit Descriptions for the BLOFF Register
Bit Name
N/A
OFFT
Backlight Dim Timeout (BLDIM)—Register 0x07
Table 22. BLDIM Bit Map
Bit 7
Reserved
Table 23. Bit Descriptions for the BLDIM Register
Bit Name
N/A
DIMT
Bit No.
7
6:0
Bit No.
7
6:0
Description
Reserved.
Backlight off timeout. After the off timeout (OFFT) period, the backlight turns off. If the dim timeout (DIMT) is
enabled, the off timeout starts after the dim timeout.
0000 = timeout disabled
0000001 = 1 sec
0000010 = 2 sec
0000011 = 3 sec
…
1111111 = 127 sec
Description
Reserved.
Backlight dim timeout. After the dim timeout (DIMT) period, the backlight is set to the dim current value. The dim
timeout starts after backlight reaches the maximum current.
0000 = timeout disabled
0000001 = 1 sec
0000010 = 2 sec
0000011 = 3 sec
…
1111111 = 127 sec
Bit No.
4
3
2
1
0
Bit 6
Bit 6
Description
Diode 5 backlight sink enable.
1 = selects LED5 as an independent sink.
0 = connects LED5 sink to backlight enable (BL_EN).
Diode 4 backlight sink enable.
1 = selects LED4 as independent sink.
0 = connects LED4 sink to backlight enable (BL_EN).
Diode 3 backlight sink enable.
1 = selects LED3 as independent sink.
0 = connects LED3 sink to backlight enable (BL_EN).
Diode 2 backlight sink enable.
1 = selects LED2 as independent sink.
0 = connects LED2 sink to backlight enable (BL_EN).
Diode 1 backlight sink enable.
1 = selects LED1 as independent sink.
0 = connects LED1 sink to backlight enable (BL_EN).
Bit 5
Bit 5
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Bit 4
Bit 4
Bit 3
Bit 3
OFFT
DIMT
Bit 2
Bit 2
Bit 1
Bit 1
ADP8860
Bit 0
Bit 0