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SC805IMLT, SC805IML-TRT, SC806

Table of contents:
Info of SC805IMLT
Info of SC805IML-TRT
Info of SC806

SC805IMLT, SC805IML-TRT, SC806 Selling Leads, Datasheet

MFG:SEMTECH Package Cooled:QFN D/C:2007

SC805IMLT, SC805IML-TRT, SC806 Datasheet download

Five Points

Part Number: SC805IMLT

MFG: SEMTECH

Package Cooled: QFN

D/C: 2007

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SC806 General Description

The SC806 is a fully integrated, single cell, constant-current (cc)/constant-voltage (cv) Lithium-Ion battery charger in a tiny 3x3 mm thermally enhanced MLP package. The SC806 can operate as a stand-alone charger or in conjunction with a Power Management Controller (PMIC).

The SC806 has a pre-charge function for trickle charging deeply discharged batteries. The fast charge current is enabled automatically when the battery voltage reaches the required threshold. When the battery reaches the constant voltage or CV portion of the charge curve the SC806 switches to CV regulation mode. In this mode the output current decays until the termination current is reached. At this point the SC806 signals the charge cycle is complete and turns off the output and enters the monitor mode. If the battery voltage drops by 100mV from the CV voltage a new charge cycle will begin.

The SC806 can also function as a general purpose current source or as a current source for charging Nickel- Cadmium (NiCd) and Nickel-Metal-Hydride (NiMH) batteries.

SC806 Maximum Ratings

Parameter	Symbol	Maximum	Units
VCC, CPB, CHRGB, NTC, DIS to GND		-0.3 to 7.0	V
VOUT, NOBAT, IPRGM, ITERM to GND		-0.3 to +6.0	V
Power Dissipation MLP (Derate 20mW/°C above 85)	PD	2	W
Thermal Impedance, Junction to Case	JA	50*	/W
Junction Temperature	T_jmax	150
Operating Ambient Temperature Range	T_A	-40 to +85
Peak IR Reflow temperature, soldering 20s-40s	T_LEAD	260
Storage Temperature Range	T_STG	-65 to 150
VOUT short to GND		Continuous	A
VOUT Output Current		1	A

SC806 Features

`Fully integrated charger with FET pass transistor, reverse-blocking diode, sense resistor and thermal protection
`High Accuracy Charge Current*
`Tiny 3mm x 3mm 10 lead MLP package
`Programmable precharge, fastcharge and termination current
`Battery voltage controlled to 1% accuracy
`Battery Charge Current accurate to 5% at 800mA
`Soft-start for step load and adapter plug-in
`Up to 1A continuous charge current
`Input voltage range from 3V to 6V allows seamless charging from current limited adapter
`0.1A battery drain current in shutdown and monitor modes
`Over current protection in all charging modes
`Automatic loss of battery detection
`Adapter Present, Charge Status, and No Battery output LED drivers

SC806 Typical Application

·Cellular phones
·PDAs
·Handheld meters
·Charging stations
·USB chargers
·Digital cameras
·GPS Handhelds
·Programmable current source

SC806 Connection Diagram

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