ADP1650 Analog Devices, ADP1650 Datasheet - Page 24

• Manufacturer Part Number: ADP1650
• Description: 1.5 A LED Flash Driver with I2C-Compatible Interface
• Manufacturer: Analog Devices

Specifications of ADP1650

• Product Description: 1.5 A LED Flash Driver with I2C-Compatible Interface
• Led #: 1
• Led Configuration: Serial
• Topology: Inductive
• Application: Flash
• I2c Support: Yes
• Max Iout (ma): 1500mA
• Brightness Control: I2C
• Peak Efficiency (%): 90%
• Switching Frequency: 3MHz
• Over Volt Protection (v): 5.5V
• Vin Min (v): 2.7V
• Vout (v): 4.575 to 5.425
• Synchronous: Yes
• Package: 12-Bump WLCSP

ADP1650
Table 15. Additional Mode Register, AD_MOD (Register 0x07)
Bit Name
DYN_OVP
SW_LO
STR_POL
I_ILED
IL_DC
IL_DC_EN
Table 16. Additional Mode Register, ADC (Register 0x08)
Bit Name
Reserved
FL_VB_LO
ADC_VAL
ADC_EN
Bit
7
6
5
[4:3]
[2:1]
0
Bit
7
6
[5:2]
[1:0]
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
R/W
R/W
Description
Dynamic OVP
0 = dynamic OVP off (default)
1 = dynamic OVP on
Force 1.5 MHz switching frequency
0 = disabled (default)
1 = enabled
Strobe polarity
0 = active low
1 = active high (default)
Indicator LED current
00 = 2.75 mA (default)
01 = 5.5 mA
10 = 8.25 mA
11 = 11 mA
Input dc current limit setting LED current
00 = 1.5 A
01 = 1.75 A
10 = 2.0 A (default)
11 = 2.25 A
Input dc current limit
0 = disabled (default)
1 = enabled
Description
Test mode
0 = disabled (default)
1 = enabled
Programmed VBAT low threshold status; low battery mode must be enabled in Register 0x09
0 = VDD is greater than the VBAT low threshold (default)
1 = VDD is less than the VBAT low threshold
ADC readback value; four bits (see Figure 17, Figure 18, and Figure 19)
ADC enable mode
00 = disabled (default)
01 = LED V
10 = die temperature measurement
11 = external voltage mode
F
measurement
Rev. C | Page 24 of 32