LDS8141-002-T2 IXYS, LDS8141-002-T2 Datasheet - Page 5

• Manufacturer Part Number: LDS8141-002-T2
• Description: IC LED DRIVER WHIT BCKLGT 16WQFN
• Manufacturer: IXYS
• Series: LED-Sense™, Power-Lite™r
• Type: Backlight, White LED (I²C Interface)r

Specifications of LDS8141-002-T2

• Topology: High Side, Linear (LDO), PWM
• Number Of Outputs: 4
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 1.2MHz
• Voltage - Supply: 2.5 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 16-WQFN, 16-miniQFN
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 32mA
• Internal Switch(s): Yes
• Efficiency: 80%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Lead Free Status / Rohs Status: Details
• Other names: LDS8141-002-T2-2

LDS8161/41
Option 2: Combined (extended) protocol:
I
Standard protocol
Combined protocol:
WRITE INSTRUCTION SEQUENCE
Standard protocol:
© 2009 IXYS Corp.
Characteristics subject to change without notice
2
C BUS PROTOCOL
Write Instruction Example - Setting 20mA Current in LEDB1 and LEDB2
S: Start Condition
Sr Start Repeat Condition
R, W: Read bit (1), Write bit (0)
A: Acknowledge (SDAT high)
A*: Not Acknowledge (SDAT low)
P: Stop Condition
Slave Address: Device address 7 bits (MSB first).
Register Address: Device register address 8 bits
Data: Data to read or write 8 bits
S
- send by master
- send by slave
Slave Address
W
A
Register Address m
5
A
Sr
Slave Address
W
A
Doc. No. 8141/61_DS, Rev. N1.0
To: Reg. m
Data
A*
P