0
ACTIVE
Number of channels |
13 |
LED current per channel (mA) |
25.5 |
LED configuration |
Parallel |
Program memory |
Yes |
Topology |
Boost |
Programmable ramp control |
Yes |
Vin (min) (V) |
3 |
Vin (max) (V) |
7.2 |
Iout (max) (A) |
0.4 |
Features |
Analog/PWM mixed dimming, Constant current, I2C control |
Iq (typ) (mA) |
0.4 |
Shutdown current (ISD) (typ) (µA) |
1 |
Operating temperature range (°C) |
-30 to 85 |
Rating |
Catalog |
DSBGA (YZR)-36-10.5625 mm² 3.25 x 3.25
All trademarks are the property of their respective owners.
LP3954 is an advanced lighting management unit for handheld devices. It drives any phone lights including display backlights, RGB, keypad and camera flash LEDs. The boost DC-DC converter drives high current loads with high efficiency. White LED backlight drivers are high efficiency low voltage structures with excellent matching and automatic fade in/ fade out function. The new stand-alone command based RGB controller is feature rich and easy to configure. Built-in audio synchronization feature allows user to synchronize the color LEDs to audio input. Integrated high current driver can drive camera flash LED or motor/vibra. Internal ADC can be used for ambient light or temperature sensing. The flexible SPI/I2C interface allows easy control of LP3954. Small DSBGA package together with minimum number of external components is a best fit for handheld devices.
WELL LINK CHIPS GROUP CO.,LIMITED FLAT/RM 1802 BEVERLY HOUSE 93-107 LOCKHART ROAD WANCHAI HK
