ADP1655 Analog Devices, ADP1655 Datasheet - Page 16

• Manufacturer Part Number: ADP1655
• Description: Dual LED Flash Driver with I2C Compatible Interface
• Manufacturer: Analog Devices

Specifications of ADP1655

• Product Description: Serial 2 WLED Flash Driver
• Led #: 2
• Led Configuration: Serial
• Topology: Inductive
• Application: Flash
• I2c Support: Yes
• Max Iout (ma): 400mA
• Brightness Control: I2C
• Peak Efficiency (%): n/a
• Switching Frequency: 2MHz
• Over Volt Protection (v): 10V
• Vin Min (v): 2.5V
• Vout (v): Current Output
• Synchronous: Yes
• Package: 12-Bump WLCSP

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