OUTLINE

The R5422NxxxC/E Series are protection ICs for over-charge/discharge of rechargeable one-cell Lithium-ion (Li+) excess load current, further include a short circuit protector for preventing large external short circuit current.

FEATURES

● High Voltage Process Technology Absolute Maximum Rating of Voltage level between VDD-V- 28v

● Low supply current....................................................Supply current Typ. 6.0µA

Standby current (detecting over-discharge) Typ. 0.1µA

● High accuracy detector threshold ..............................Over-charge detector (Topt=25°C) ±25mV

(Topt=0 to 50°C) ±30 mV

Over-discharge detector ±2.5

Excess current detector ±20mV

● Variety of detector threshold .....................................Over-charge detector threshold 4.0V - 4.5V step of 0.01V

Over-discharge detector threshold 2.0V - 3.0V step of 0.01V

● Built-in protection circuit ..........................................Excess current protection 0.05V - 0.4V step of 0.01V

● Output delay of over-charge......................................Time delay at C=0.01µF tVDET1=75ms, tVREL1=20ms

● Output delay of over-discharge .................................Internally fixed TYP. 17ms

● Output delay of excess-current Internally fixed TYP. 10ms

● 2 Over-current modes Excess Current Mode / Short Mode

● Charging Available / non-available at 0V Cell Acceptable of 0V Cell C version

Non-acceptable of 0V Cell E version

● Small package............................................................SOT-23-6 / 6-pin

APPLICATIONS

● Li+ one-cell protector for battery pack