ADP8866 Analog Devices, ADP8866 Datasheet - Page 34

• Manufacturer Part Number: ADP8866
• Description: Charge Pump Driven 9-Channel LED Driver with Automated LED Lighting Effects
• Manufacturer: Analog Devices

Specifications of ADP8866

• Vin Range: 2.5 to 5.5V
• Vout (v): 4.3 to 5.5
• Synchronous: No
• Package: 20-Lead LFCSP
• Led Configuration: Parallel
• Topology: Capacitive
• I2c Support: Yes
• Max Iout (ma): 25mA
• Brightness Control: I2C
• Peak Efficiency (%): 92%
• Switching Frequency: 1MHz

ADP8866
INDEPENDENT SINK REGISTER DESCRIPTIONS
Independent Sink Current Control Register 1 (ISCC1)—Register 0x1A
Table 40. ISCLAW Bit Map
Bit 7
Table 41.
Bit Name
N/A
SC9_EN
SC_LAW
Independent Sink Current Control Register 2 (ISCC2)—Register 0x1B
Table 42. ISCC Bit Map
Bit 7
SC8_EN
Table 43.
Bit Name
SC8_EN
SC7_EN
SC6_EN
SC5_EN
SC4_EN
SC3_EN
SC2_EN
SC1_EN
Bit No.
7:3
2
1:0
Bit 6
Bit 6
SC7_EN
Bit No.
7
6
5
4
3
2
1
0
Description
Reserved.
This enable acts on LED9.
1 = SC9 is turned on.
0 = SC9 is turned off.
SC fade transfer law.
00 = square 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).
Bit 5
Bit 5
SC6_EN
Reserved
Bit 4
Bit 4
SC5_EN
Description
This enable acts on LED8.
1 = SC8 is turned on.
0 = SC8 is turned off.
This enable acts on LED7.
1 = SC7 is turned on.
0 = SC7 is turned off.
This enable acts on LED6.
1 = SC6 is turned on.
0 = SC6 is turned off.
This enable acts on LED5.
1 = SC5 is turned on.
0 = SC5 is turned off.
This enable acts on LED4.
1 = SC4 is turned on.
0 = SC4 is turned off.
This enable acts on LED3.
1 = SC3 is turned on.
0 = SC3 is turned off.
This enable acts on LED2.
1 = SC2 is turned on.
0 = SC2 is turned off.
This enable acts on LED1.
1 = SC1 is turned on.
0 = SC1 is turned off.
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Bit 3
Bit 3
SC4_EN
Bit 2
SC9_EN
Bit 2
SC3_EN
Bit 1
Bit 1
SC2_EN
SC_LAW
Bit 0
Bit 0
SC1_EN