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SC801RIMLTRT, SC802, SC802-04

Table of contents:
Info of SC801RIMLTRT
Info of SC802
Info of SC802-04

SC801RIMLTRT, SC802, SC802-04 Selling Leads, Datasheet

MFG:SC Package Cooled:MLP-16 D/C:2003

SC801RIMLTRT, SC802, SC802-04 Datasheet download

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Part Number: SC801RIMLTRT

MFG: SC

Package Cooled: MLP-16

D/C: 2003

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SC802 General Description

The SC802 is a fully integrated, single cell, constant-current/ constant-voltage Lithium-Ion\Lithium Polymer battery charger. With an integrated timer and complete charge control algorithm, the SC802 is well suited for stand-alone charger applications. The SC802 contains programmable pre-charge, fast-charge, and termination current settings. The SC802 can be programmed to terminate charge based on the output current or the timeout of the programmable timer. The fast charge current is typically set with an external resistor but can be modified with the analog fast charge input to allow a Power Management Controller to control the fastcharge current setting via DAC.

The 14V input voltage range of the SC802 eliminates additional protection circuitry required by other 5V chargers in the event of faulty adapters.

Reference ground and battery sense inputs are provided to allow Kelvin connections to eliminate IR voltage drops during charging.

The output voltage to the battery is controlled to within 1% of the programmed voltage for either 4.1V or 4.2V. The SC802 can also function as a general purpose current source or as a current source for charging nickelcadmium (NiCd) and nickel-metal-hydride (NiMH) batteries using NTC termination.

The SC802A version of the device is optimized for high termination current applications. All descriptions and text refering to the SC802 also apply to the SC802A unless otherwise noted.

SC802 Maximum Ratings

Pin Combination	Symbol	Maximum	Units
VCC, EN to GND		-0.3 to 14.0	V
VOUT, Rtime, AFC, VPRGM, IPRGM, CPB, CHRGB, ITERM, BIPB, to GND		-0.3 to +6.0	V
REFGND to GND		-0.3 to 0.3	V
Power Dissipation MLP (Derate 20mW/ °C above 85°C)	P_d	2	W
Thermal Impedance, Junction to Ambient	T _JA	50*	°C/W
Thermal Impedance, Junction to Case	T_JC	3	°C/W
Junction Temperature	T_J	150	°C
Operating Ambient Temperature Range	T_A	-40 to +85	°C
Peak IR Reflow temperature, soldering 20s-40s	T _LEAD	260	°C
Storage Temperature Range	T_STG	-65 to 150	°C
VOUT short to GND		Continuous

* Tied to PCB with 1 Square Inch, 2 Ounce Copper, using JESD 51 Standard.

SC802 Features

Fully integrated charger with FET pass transistor, reverse-blocking diode, sense resistor, timer, and thermal protection
Complete voltage ranges of 4.1V, 4.2V & adjustable
Programmable precharge, fastcharge & termination current
Battery voltage controlled to 1% accuracy
Soft-start for glitch-free adaptor plug-in
Up to 1A continuous charge current
Charge current monitor output for microcontroller or ADC interface
Input voltage range from 4.3V to 14V
0.1A battery drain current in shutdown and monitor modes
Operates without a battery in regulated LDO mode
Small 4mm x 4mm 16 lead MLP package
NTC thermistor sense input
Adjustable 6 Hour programmable charge timer
Over current protection in all charging modes
Over voltage protection
Remote Kelvin sensing at the battery terminals
ADC input control capable
Status output communicates charging and end of charge cycle
Charges Li-Ion, Li-Polymer, NiCd and NiMH Batteries

SC802 Typical Application

Cellular phones
PDA's
Handheld meters
Charging stations
Handheld computers
Digital cameras
Programmable current source

SC802 Connection Diagram

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