ADP8861ACPZ-R7 Analog Devices Inc, ADP8861ACPZ-R7 Datasheet - Page 26

• Manufacturer Part Number: ADP8861ACPZ-R7
• Description: Charge Pump Based Backlight Controller
• Manufacturer: Analog Devices Inc
• Series: -r

Specifications of ADP8861ACPZ-R7

• Constant Current: -
• Constant Voltage: -
• Topology: Switched Capacitor (Charge Pump)
• Number Of Outputs: 7
• Internal Driver: Yes
• Type - Primary: Backlight, LED Blinker
• Type - Secondary: RGB, White LED
• Frequency: 800kHz ~ 1.32MHz
• Voltage - Supply: 2.5 V ~ 5.5 V
• Voltage - Output: 4.3 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 20-WFQFN Exposed Pad, CSP
• Operating Temperature: -40°C ~ 85°C
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

ADP8861
BACKLIGHT REGISTER DESCRIPTIONS
Configuration Register (CFGR)—Register 0x04
Table 16. CFGR Bit Map
Bit 7
Table 17. Bit Descriptions for the CFGR Register
Bit Name
N/A
Law
FOVR
Backlight Sink Enable (BLSEN)—Register 0x05
Table 18. BLSEN Bit Map
Bit 7
Reserved
Table 19. Bit Descriptions for the BLSEN Register
Bit Name
N/A
D7EN
D6EN
D5EN
D4EN
D3EN
D2EN
D1EN
Bit No.
[7:3]
[2:1]
0
Description
Reserved
Backlight transfer law
00 = linear law DAC, linear time steps
01 = square law DAC, linear time steps
10 = square law DAC, nonlinear time steps (Cubic 10)
11 = square law DAC, nonlinear time steps (Cubic 11)
Backlight fade override
1 = the backlight fade override is enabled
0 = the backlight fade override is disabled
Bit No.
7
6
5
4
3
2
1
0
Bit 6
Bit 6
D7EN
Bit 5
D6EN
Description
Reserved
Diode 7 backlight sink enable
1 = selects LED7 as an independent sink
0 = connects LED7 sink to backlight enable (BL_EN)
Diode 6 backlight sink enable
1 = selects LED6 as an independent sink
0 = connects LED6 sink to backlight enable (BL_EN)
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 an independent sink
0 = connects LED4 sink to backlight enable (BL_EN)
Diode 3 backlight sink enable
1 = selects LED3 as an independent sink
0 = connects LED3 sink to backlight enable (BL_EN)
Diode 2 backlight sink enable
1 = selects LED2 as an independent sink
0 = connects LED2 sink to backlight enable (BL_EN)
Diode 1 backlight sink enable
1 = selects LED1 as an independent sink
0 = connects LED1 sink to backlight enable (BL_EN)
Reserved
Bit 5
Bit 4
D5EN
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Bit 4
Bit 3
D4EN
Bit 3
Bit 2
D3EN
Bit 2
Law
Bit 1
D2EN
Bit 1
Bit 0
D1EN
Bit 0
FOVR