MAX8831EWE+T Maxim Integrated Products, MAX8831EWE+T Datasheet - Page 20

• Manufacturer Part Number: MAX8831EWE+T
• Description: IC LED DRIVR WHITE BCKLGT 16-WLP
• Manufacturer: Maxim Integrated Products
• Type: Backlight, White LED (I²C Interface)r

Specifications of MAX8831EWE+T

• Topology: Linear (LDO), PWM, Step-Up (Boost)
• Number Of Outputs: 5
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 1.8MHz ~ 2.2MHz
• Voltage - Supply: 1.6 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 16-WLP
• Operating Temperature: -40°C ~ 85°C
• Internal Switch(s): Yes
• Efficiency: 90%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Current - Output / Channel: -
• Lead Free Status / Rohs Status: Details
• Other names: MAX8831EWE+T

High-Efficiency, White LED Step-Up Converter
with I
Table 3. MAX8831 Register Map
20
ON/OFF_CNTL
LED1_RAMP_CNTL
LED2_RAMP_CNTL
LED3_RAMP_CNTL
LED4_RAMP_CNTL
LED5_RAMP_CNTL
ILED1_CNTL
ILED2_CNTL
ILED3_CNTL
ILED4_CNTL
ILED5_CNTL
LED3_BLINK_CNTL
LED4_BLINK_CNTL
LED5_BLINK_CNTL
BOOST_CNTL
STAT1
STAT2
CHIP_ID1
CHIP_ID2
______________________________________________________________________________________
REGISTER
2
C Interface in 2mm x 2mm WLP
ADDRESS BYTE
COMMAND/
(HEX)
0x0B
0x0C
0x0D
0x1D
0x2D
0x3A
0x00
0x03
0x04
0x05
0x06
0x07
0x0E
0x0F
0x17
0x18
0x19
0x2E
0x39
(READ/WRITE)
TYPE
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R
R
REGISTER
VALUES
RESET
0x0B
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x07
N/A
N/A
LED current regulator ON/OFF control
LED1 ramp control
LED2 ramp control
LED3 ramp control
LED4 ramp control
LED5 ramp control
LED1 current sink control
LED2 current sink control
LED3 current sink control
LED4 current sink control
LED5 current sink control
LED3 blink rate control
LED4 blink rate control
LED5 blink rate control
Adaptive step-up converter control
Status register1
Status register2
Die type information
Mask revision information
FUNCTION