MAX7219CWG MAXIM SMD IC

Specifications:

• 500-mA-Rated Collector Current
  (Single Output)
• High-Voltage Outputs: 50 V
•  Output Clamp Diodes
•  Inputs Compatible With Various Types of Logic

Features:

1. Operating supply voltage from 4.5 to 5.5 V
2. Low standby current consumption of 10 µA maximum
3. I2C-bus to parallel port expander
4. 400 kbits/s FAST I2C-bus
5. Open-drain interrupt output
6. 16-bit remote I/O port for the I2C-bus
7. Compatible with most microcontrollers
8. Latched outputs with high current drive capability for directly driving LEDs
9. Address by 3 hardware address pins for use of up to 8 devices
10. SSOP24 package

Specifications:

• Ideal for Single (4.1 V or 4.2 V) and Dual-Cell (8.2 V or 8.4 V) Li-Ion or Li-Pol Packs
• Requires Small Number of External Components
• 0.3 V Dropout Voltage for Minimizing Heat Dissipation
• Better Than ±1% Voltage Regulation Accuracy With Preset Voltages
• AutoComp- Dynamic Compensation of Battery Pack’s Internal Impedance to Reduce Charge Time
• Optional Cell-Temperature Monitoring Before and During Charge Integrated Voltage and Current Regulation With Programmable Charge-Current and High- or Low-Side Current Sensing
• Integrated Cell Conditioning for Reviving Deeply Discharged Cells and Minimizing Heat Dissipation During Initial Stage Of Charge
• Charge Status Output for Single or Dual Led or Host Processor Interface
• Automatic Battery-Recharge Feature