ADP8861 Analog Devices, ADP8861 Datasheet - Page 38

• Manufacturer Part Number: ADP8861
• Description: Charge Pump, 7-Channel Smart LED Driver with I2C Interface
• Manufacturer: Analog Devices

Specifications of ADP8861

• Vin Range: 2.5 to 5.5V
• Vout (v): 4.3 to 5.5
• Synchronous: No
• Package: 20-Lead LFCSP,20-Lead WLCSP
• Led Configuration: Parallel
• Topology: Capacitive
• I2c Support: Yes
• Max Iout (ma): 60mA
• Brightness Control: PWM
• Peak Efficiency (%): 89%
• Switching Frequency: 1.32MHz
• Over Volt Protection (v): 5.8V

ADP8861
Sink Current Register LED3 (ISC3)—Register 0x18
Table 50. ISC3 Bit Map
Bit 7
Reserved
Table 51. Bit Descriptions for the ISC3 Register
Bit Name
N/A
SCD3
Sink Current Register LED2 (ISC2)—Register 0x19
Table 52. ISC2 Bit Map
Bit 7
Reserved
Table 53. Bit Descriptions for the ISC2 Register
Bit Name
N/A
SCD2
Sink Current Register LED1 (ISC1)—Register 0x1A
Table 54. ISC1 Bit Map
Bit 7
Reserved
Table 55. Bit Descriptions for the ISC1 Register
Bit Name
N/A
SCD1
Bit No.
7
[6:0]
Bit No.
7
[6:0]
Bit No.
7
[6:0]
Bit 6
Bit 6
Bit 6
Description
Reserved.
Sink current. Use the following DAC code schedule (see Table 28 for a complete list of values):
DAC
0000000
0000001
0000010
0000011
…
1111111
Description
Reserved.
Sink current. Use the following DAC code schedule (see Table 28 for a complete list of values):
DAC
0000000
0000001
0000010
0000011
…
1111111
Description
Reserved.
Sink current. Use the following DAC code schedule (see Table 28 for a complete list of values):
DAC
0000000
0000001
0000010
0000011
…
1111111
0
0.236
0.472
0.709
30
0
0.236
0.472
0.709
30
0
0.236
0.472
0.709
30
Linear Law (mA)
…
Linear Law (mA)
…
Linear Law (mA)
…
Bit 5
Bit 5
Bit 5
Bit 4
Bit 4
Bit 4
Rev. A | Page 38 of 40
Square Law (mA)
0.000
0.002
0.007
0.017
…
30
Square Law (mA)
0.000
0.002
0.007
0.017
…
30
Square Law (mA)
0.000
0.002
0.007
0.017
…
30
Bit 3
Bit 3
Bit 3
SCD3
SCD2
SCD1
Bit 2
Bit 2
Bit 2
Bit 1
Bit 1
Bit 1
Bit 0
Bit 0
Bit 0