TPS61052DRCR
LTB1.2A HIGH POWER WHITE LED DRIVER WITH I2C COMPATIBLE INTERFACE, DSBGA PACKAGE
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TPS61052DRCR
LTB1.2A HIGH POWER WHITE LED DRIVER WITH I2C COMPATIBLE INTERFACE, DSBGA PACKAGE
Technical Specifications
Parameters and characteristics for this part
| Specification | TPS61052DRCR |
|---|---|
| Applications | Camera Flash |
| Current - Output / Channel | 1.2 A |
| Dimming | PWM |
| Frequency | 2 MHz |
| Internal Switch(s) | True |
| Mounting Type | Surface Mount |
| Number of Outputs | 1 |
| Operating Temperature [Max] | 85 °C |
| Operating Temperature [Min] | -40 °C |
| Package / Case | 10-VFDFN Exposed Pad |
| Supplier Device Package | 10-VSON (3x3) |
| Topology | Step-Up (Boost) |
| Type | DC DC Regulator |
| Voltage - Output | 5.5 V |
| Voltage - Supply (Max) [Max] | 6 V |
| Voltage - Supply (Min) [Min] | 2.5 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Tape & Reel (TR) | 3000 | $ 0.60 | |
| 6000 | $ 0.57 | |||
| 15000 | $ 0.55 | |||
| Texas Instruments | LARGE T&R | 1 | $ 1.14 | |
| 100 | $ 0.88 | |||
| 250 | $ 0.65 | |||
| 1000 | $ 0.46 | |||
Description
General part information
TPS61052 Series
The TPS6105x device is based on a high-frequency synchronous-boost topology with constant current sink to drive single white LEDs. The device uses an inductive fixed-frequency PWM control scheme using small external components, minimizing input ripple current.
The 2-MHz switching frequency allows the use of small and low profile 2.2-µH inductors. To optimize overall efficiency, the device operates with only a 250-mV LED feedback voltage.
The TPS6105x device not only operates as a regulated current source, but also as a standard voltage-boost regulator. This additional operating mode can be useful to supply other high-power devices in the system, such as a hands-free audio power amplifier, or any other component requiring a supply voltage higher than the battery voltage (refer to TPS61052).
Documents
Technical documentation and resources
