ADP1655-EVALZ Analog Devices Inc, ADP1655-EVALZ Datasheet - Page 16

• Manufacturer Part Number: ADP1655-EVALZ
• Description: Dual LED Flash Driver Eval. Board
• Manufacturer: Analog Devices Inc

Specifications of ADP1655-EVALZ

• Core Chip: ADP1655
• Topology: Boost
• No. Of Outputs: 2
• Dimming Control Type: PWM
• Tool / Board Applications: Analog/Mixed Signal-Clock, Timer
• Supported Devices: AD9552
• Msl: MSL 1 - Unlimited
• Current - Output / Channel: 500mA
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 4.9V
• Features: Camera Flash and Torch Modes, I²C Interface, Programmable Output Current
• Voltage - Input: 2.7 ~ 5.5 V
• Utilized Ic / Part: ADP1655
• Development Tool Type: Hardware - Eval/Demo Board
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ADP1655
I
The lowest bit number (0) represents the least significant bit, and the highest bit number (7) represents the most significant bit.
Table 8. Design Information Register (Register 0x00)
Bit
7:0
Table 9. Version Register (Register 0x01)
Bit
7:0
Table 10. VREF and Timer Register (Register 0x02)
Bit
7:6
5:4
3:0
2
C REGISTER MAP
R/W
R/W
R/W
R/W
R/W
R
R/W
R
Description
Reserved
Number of LEDs detection comparator reference level
00 = 4.3 V (default)
01 = 4.6 V
10 = 4.0 V
11 = 4.9 V
Flash timer value setting
0000 = 100 ms
0001 = 150 ms
0010 = 200 ms
0011 = 250 ms
0100 = 300 ms
0101 = 350 ms
0110 = 400 ms
0111 = 450 ms
1000 = 500 ms
1001 = 550 ms
1010 = 600 ms
1011 = 650 ms
1100 = 700 ms
1101 = 750 ms
1110 = 800 ms
1111 = 850 ms (default)
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Reset State
00100001
Reset State
00000001