ADP8863 Analog Devices, ADP8863 Datasheet - Page 46
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ADP8863
Manufacturer Part Number
ADP8863
Description
Charge Pump, 7-Channel Fun Lighting LED Driver
Manufacturer
Analog Devices
Datasheet
1.ADP8863.pdf
(52 pages)
Specifications of ADP8863
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
I2C
Peak Efficiency (%)
89%
Switching Frequency
1.32MHz
Over Volt Protection (v)
5V
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ADP8863ACPZ-R7
Manufacturer:
ADI/亚德诺
Quantity:
20 000
ADP8863
Comparator Level 3 Threshold (L3_TRP)—Register 0x1F
Table 73. L3_TRP Bit Map
Bit 7
Table 74. Bit Descriptions for the L3_TRP Register
Bit Name
L3_TRP
Comparator Level 3 Hysteresis (L3_HYS)—Register 0x20
Table 75. L3_HYS Bit Map
Bit 7
Table 76. Bit Descriptions for the L3_HYS Register
Bit Name
L3_HYS
First Phototransistor Register: Low Byte (PH1LEVL)—Register 0x21
Table 77. PH1LEVL Bit Map
Bit 7
Table 78. Bit Descriptions for the PH1LEVL Register
Bit Name
PH1LEV_LOW
Bit 6
Bit 6
Bit 6
Bit No.
7:0
Bit No.
[7:0]
Bit No.
[7:0]
Bit 5
Description
Comparator Level 3 threshold. If the comparator input is below L3_TRP, the comparator trips and the
backlight enters Level 3 (dark) mode. The following lists the code settings for photosensor current:
00000000 = 0 μA
00000001 = 0.54 μA
00000010 = 1.08 μA
00000011 = 1.62 μA
…
11111111 = 137.7 μA
Bit 5
Description
Comparator Level 3 hysteresis. If the comparator input is above L3_TRP + L3_HYS, the comparator trips
and the backlight enters Level 2 (office) mode. The following lists the code settings for photosensor
current hysteresis:
00000000 = 0 μA
00000001 = 0.54 μA
00000010 = 1.08 μA
00000011 = 1.62 μA
…
11111111 = 137.7 μA
Bit 5
Description
Lower eight bits of the 13-bit conversion value for the first light sensor (Bit 7 to Bit 0). The value is
updated every 80 ms (when the light sensor is enabled). This is a read-only register.
Bit 4
Bit 4
Bit 4
Rev. A | Page 46 of 52
PH1LEV_LOW
L3_TRP
L3_HYS
Bit 3
Bit 3
Bit 3
Bit 2
Bit 2
Bit 2
Bit 1
Bit 1
Bit 1
Bit 0
Bit 0
Bit 0