DW01A-G

Part: DW01A

Type: Battery Protection IC

Description: The DW01A is a battery protection IC designed for one-cell lithium-ion/polymer battery powered systems, providing protection against overcharge, overdischarge, and overcurrent, housed in a miniature SOT-23-6 package.

Operating Conditions:

• Operating temperature: -40 to +85 °C

Absolute Maximum Ratings:

• Max supply voltage: 10 V (between VDD and VSS)
• Max junction/storage temperature: +125 °C

Key Specs:

• Overcharge Protection Voltage: 4.25 V (Min), 4.30 V (Typ), 4.35 V (Max)
• Overcharge Release Voltage: 4.05 V (Min), 4.10 V (Typ), 4.15 V (Max)
• Overdischarge Protection Voltage: 2.30 V (Min), 2.40 V (Typ), 2.5 V (Max)
• Overcurrent Protection Voltage: 120 mV (Min), 150 mV (Typ), 180 mV (Max)
• Supply Current (VCC=3.6V): 3.0 μA (Typ), 6 μA (Max)
• Power-Down Current (VCC=1.8V): 4 μA (Max)
• Overcharge Delay Time: 80 ms (Typ), 200 ms (Max)
• Overdischarge Delay Time (VCC=3.2V to 2.0V): 40 ms (Typ), 200 ms (Max)

Features:

• Reduction in Board Size due to Miniature Package SOT-23-6.
• Ultra-Low Quiescent Current at 3 μA (Vcc=3.6V).
• Overdischarge Current at 4 μA (Vcc=1.8V).
• Precision Overcharge Protection Voltage 4.3V ± 50mV.
• Two Detection Levels for Overcurrent Protection.
• Delay times are generated by internal circuits. No external capacitors required.

Applications:

• Protection IC for One-Cell Lithium-Ion / Lithium-Polymer Battery Pack

Package:

• SOT-23-6