Datasheet for ADP8860DBCP-EVALZ:
- Manufacturer Part Number : ADP8860DBCP-EVALZ
- Manufacturer : AD
- Description : Charge Pump, 7-Channel Smart LED Driver with I2C Interface IC
- Series : ADP8860
- Reference Price : USD 0
- Our Price : We have a better price, contact us by email
- Product Type : LED Driver IC
- Function : Step-Up (Boost) LED Drivers
- Current Suggest : Production
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : Evaluation Board
- Pins : -
- MFG Package Case : -
- Part Type : EVAL
- Standard Packing Type : -
- Standard Packing Quantity : -
- Working Temperature : -
- Other Part Number : ADP8860DBCP-EVALZ
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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- Charge pump with automatic gain selection of 1×, 1.5×, and 2× for maximum efficiency
- Up to two built-in comparator inputs with programmable modes for ambient light sensing
- Outdoor, office, and dark modes for maximum backlight power savings
- 7 independent and programmable LED drivers
6 drivers capable of 30 mA (maximum)
1 driver capable of 60 mA (maximum) - Programmable maximum current limit (128 levels)
- Standby mode for <1μA current consumption
- 16 programmable fade in and fade out times 0.1 sec to 5.5 sec
Choose from linear, square, or cubic rates - Fading override
- I2C-compatible interface for all programming
- Dedicated reset pin and built-in power on reset (POR)
- Short-circuit, overvoltage, and overtemperature protection
- Internal soft start to limit inrush currents
- Input-to-output isolation during faults or shutdown
- Operation down to VIN = 2.5 V with undervoltage lockout (UVLO) at VIN = 2.0 V /li>
- Small wafer level chip scale package (WLCSP) or lead frame chip scale package (LFCSP)
The ADP8860 combines a programmable backlight LED chargepump driver with automatic phototransistor control. This combinationallows for significant power savings because it changes thecurrent intensity in office and dark ambient light conditions. Byperforming this function automatically, it eliminates the need fora processor to monitor the phototransistor.
The light intensity thresholds are fully programmable via theI2C® interface. A second phototransistor input, with dedicatedcomparators, improves the ambient light detection levels forvarious user operating conditions.
The ADP8860 allows as many as six LEDs to be independentlydriven up to 30 mA (maximum). A seventh LED can be drivento 60 mA (maximum). All LEDs are programmable for minimum/maximum current and fade in/out times via the I2C interface.These LEDs can also be combined into groups to reduce theprocessor instructions during fade in/out.
Driving this entire configuration is a two-capacitor charge pumpwith gains of 1×, 1.5×, and 2×. This setup is capable of driving amaximum IOUT of 240 mA from a supply of 2.5 V to 5.5 V. Thedevice includes a variety of safety features including shortcircuit,overvoltage, and overtemperature protection. Thesefeatures allow easy implementation of a safe and robust design.Additionally, input inrush currents are limited via an integratedsoft start combined with controlled input to output isolation.
The ADP8860 is available in two package types, either a compact2 mm × 2.4 mm × 0.6 mm WLCSP (wafer level chip scale package)or a small LFCSP (lead frame chip scale package).
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
