STLED325QTR STMicroelectronics, STLED325QTR Datasheet - Page 51

• Manufacturer Part Number: STLED325QTR
• Description: LED Lighting Drivers I2C interfaced LED controller/driver
• Manufacturer: STMicroelectronics

Specifications of STLED325QTR

• Product Category: LED Lighting Drivers
• Rohs: yes
• Input Voltage: 5 V
• Maximum Supply Current: 2 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN-32
• Minimum Operating Temperature: - 40 C
• Power Dissipation: 1200 mW

STLED325
7.5
Display control and hotkey setting command
Bits b7-b6 = 10 is decoded as a display control and hotkey setting command. The
subsequent bits are decoded as follows:
b5 = 0: sets display control for dimming setting as shown in the table below.
Display control and dimming setting when b5 = 0
b3.b0: sets dimming quantity.
0000: sets pulse width to 1/16.
0001: sets pulse width to 2/16.
0010: sets pulse width to 3/16.
0011: sets pulse width to 4/16.
0100: sets pulse width to 5/16.
0101: sets pulse width to 6/16.
0110: sets pulse width to 7/16.
0111: sets pulse width to 8/16.
1000: sets pulse width to 9/16.
1001: sets pulse width to 10/16 (default and recommended)
1010: sets pulse width to 11/16.
1011: sets pulse width to 12/16.
1100: sets pulse width to 13/16.
1101: sets pulse width to 14/16.
1110: sets pulse width to 15/16.
1111: sets pulse width to 16/16.
Figure 19. Blanking time
b4: Turns on/off display
1
0
b5
Doc ID 17576 Rev 1
b4
b3
b2
b1
Commands
b0
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