KTZ8807 KINETIC | Alldatasheet

Document overview

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Technical content

Features

  • 3-channel (D1/D2/D3) low current sinks  40mV typ. at 5mA per channel
  • 1-channel (D4) high current sink  Drives up to 600mA  Safety timer
  • I2C compatible LED Programming
  • Individual channel control  On/Off Interval Time Control  Dimming Up/Down Time  RGB LED Color Control
  • 193 low current settings (D1/D2/D3)  24mA max, 0.125mA step  ±5% current matching at max current
  • 256 low current level settings (D4) up to 48mA
  • 39 high current level settings (D4) up to 600mA
  • AutoBlinQ LED1 (D1) mode indicates charging  Blinking period: 2s  Current setting: 6mA
  • VIN Range: 2.7V to 5.5V
  • 0.2μA Shutdown Current
  • Pb-free Packages  UTDFN-10 2.0x2.0mm
  • -40°C to +85°C Temperature Range

Applications

  • Mobile Phones and Handheld Devices
  • RGB indicator LEDs
  • Front-side (Selfie) Flash
  • Infrared Iris Detection Brief Description The KTZ8807 is a fully programmable , constant current RGB LED driver plus a high current White LED driver, with a flexible control interface. The device is ideally powered from one-cell lithium -ion/polymer, 3 -cell NiCd/NiMH/ Alkaline batteries, or systems with 3.3V or 5V supplies. It provides four independent programmable constant current sinks without requiring any external components. With an on-chip timing control unit, LED blink rate, fade-in and fade-out are user-adjustable resulting in unique color lighting patterns. Ten internal registers are programmed via the I2C control interface with a built-in decoder allowing individual control of the LED channels’ On/Off state and current level. A total of 193 current levels for D1 -D3 are available for each channel with 0.125mA steps from 0.125mA to 2 4mA and 39 flash current levels for D4 up to 600mA. AutoBlinQ mode automatically turns on and off LED1 (on D1 pin) at 6mA every 2s after EN pin goes high. In this mode, a phone with a discharged battery connected to a charger can have LED1 blink to notify that the battery is charging. It has both I 2C interf ace and hardware STROBE pin for LED4(D4 pin). The integrated current sink is independently controlled. On/off conditions and current settings in Flash/IR modes can be programmed independently by the I2C interface. In shutdown mode, the quiescent current is reduced to less than 1μA. Typical Application GND VIN SDA VIN 2.7V to 5.5V 1.0µF SCL D3 D4 KTZ8807 I2C Control Strobe EN 24mA RGB LED Driver with AutoBlinQ™ Plus 600mA White/Infrared LED Driver For full datasheet, click HERE.

January 2018 – Revision 03d Page 2 Company Confidential

Ordering Information

Part Number I2C Input Active Marking1 Operating Temperature Package KTZ8807EDQ-TR EN = High or Low KBYYZ -40°C to +85°C UDFN-10 2.0x2.0 KTZ8807BEDQ-TR2 EN = High KCYYZ -40°C to +85°C UDFN-10 2.0x2.0 1. “YYZ” is the date code and assembly code. 2. Contact Sales for product availability Kinetic Technologies cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Kinetic Technologies product. No intellectual property or circuit patent licenses are implied. Kinetic Technologies reserves the right to change the circuitry and specifications without notice at any time.