FAN5702UC30X Fairchild Semiconductor, FAN5702UC30X Datasheet - Page 14

• Manufacturer Part Number: FAN5702UC30X
• Description: IC LED DVR 6LED 30MA I2C 16WLCSP
• Manufacturer: Fairchild Semiconductor
• Type: Backlight, White LED (I²C Interface)r

Specifications of FAN5702UC30X

• Topology: PWM, Switched Capacitor (Charge Pump)
• Number Of Outputs: 6
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 900kHz ~ 1.5MHz
• Voltage - Supply: 2.7 V ~ 5.5 V
• Voltage - Output: 2 V ~ 4 V
• Mounting Type: Surface Mount
• Package / Case: 16-WLCSP
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 30mA
• Internal Switch(s): Yes
• Efficiency: 92%
• High Level Output Current: 180 mA
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Supply Current: 4.4 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: FAN5702UC30XTR

© 2010 Fairchild Semiconductor Corporation
FAN5702 • Rev. 1.0.3
Register Descriptions
The following tables define the operation of each register bit. Bold values are power-up defaults. These values apply only to I
version of the part.
GENERAL
CONFIG
CHA
CH3
CH4
CH5
CH6
Bit
6,5
1,0
7:6
5:0
7:6
5:0
7:6
5:0
7:6
5:0
7:6
5:0
7
4
3
2
1
0
7
6
5
4
3
2
Brightness A
Brightness 3
Brightness 4
Brightness 5
Brightness 6
RS1, RS0
Reserved
Reserved
Reserved
Reserved
Reserved
FS1, FS2
Name
PWM
ENA
EN6
EN5
EN4
EN3
S6A
S5A
S4A
S3A
T56
T34
Default: FFH
Default: FFH
Default: FFH
Default: FFH
Default: 00H
Default: 00H
Default:
00 – 3FH
00 – 3FH
00 – 3FH
00 – 3FH
00 – 3FH
Default
Value
0 – 63
0 – 63
0 – 63
0 – 63
0 – 63
00
00
11
11
11
11
11
0
0
0
0
0
0
0
0
0
0
0
0
General Purpose Register
Configuration Register
Group A Brightness Control
Channel 3 Brightness Control
Channel 4 Brightness Control
Channel 5 Brightness Control
Channel 6 Brightness Control
Setting this bit=1 changes the EN pin to function as a PWM dimming input for
group A LEDs. This bit must be set to zero for the chip to be disabled.
00=20mA (default), 01=30mA, 10=15mA, 11=8mA when I
Default=0 (Off), LED Channel Active=1
Default=0 (Off), LED Channel Active=1
Default=0 (Off), LED Channel Active=1
Default=0 (Off), LED Channel Active=1
Default=0 (Off), LED Channel Active=1
Tie channel 5 and 6 together. Default=0 (Separate). Group 5&6 =1. Both currents
are set by CH5 register. T56 is overwritten by either S5A or S6A.
Tie channel 3 and 4 together. Default=0 (Separate). Group 3&4 =1. Both currents
are set by the CH3 register. T34 is overwritten by either S3A or S4A.
CH6 group configuration. Independent=0 (default); part of group A=1.
CH5 group configuration. Independent=0 (default); part of group A=1.
CH4 group configuration. Independent=0 (default); part of group A=1.
CH3 group configuration. Independent=0 (default); part of group A=1.
Sets current ramp rate for group A channels
Vendor ID bits. These bits can be used to distinguish between vendors via I
Writing to these bits does not change their value.
6-bit value that controls group A brightness per values in Table 1
Writing to these bits does not change their value.
6-bit value that controls channel 3 brightness per values in Table 1
Writing to these bits does not change their value.
6-bit value that controls channel 3 brightness per values in Table 1
Writing to these bits does not change their value.
6-bit value that controls channel 3 brightness per values in Table 1
Writing to these bits does not change their value.
6-bit value that controls channel 3 brightness per values in Table 1
14
Description
ADDR = A0H
ADDR = 10H
ADDR = 20H
ADDR = 40H
ADDR = 50H
ADDR = 60H
ADDR=30H
2
C is used.
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2
C.
2
C