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Details for MAX1811ESA+ by Maxim Integrated
Electronic & Electrical Components > Semiconductors - ICs > Battery Management
IC USB-POWERED LI+ CHARGER
MAX1811ESA+ image

MAX1811ESA+ by Maxim Integrated

IC USB-POWERED LI+ CHARGER
Features
0.5% Overall Charging Accuracy
Automatic IC Thermal Regulation
Convenient Power SO-8 Package (1.4W)
Input Diode Not Required
Minimal External Components
P2
Preconditions Near-Depleted Cells
Part Information
MAX1811ESA+ image
RoHS Compliant
Description
The MAX1811 is a single-cell lithium-ion (Li+) battery charger that can be powered directly from a USB port* or from an external supply up to 6.5V. It has a 0.5% overall battery regulation voltage accuracy to allow maximum utilization of the battery capacity. The charger uses an internal FET to deliver up to 500mA charging current to the battery. The device can be configured for either a 4.1V or 4.2V battery, using the SELV input. The SELI input sets the charge current to either 100mA or 500mA. An open-drain output (CHG) indicates charge status. The MAX1811 has preconditioning that soft-starts a near-dead battery cell before charging. Other safety features include continuous monitoring of voltage and current and initial checking for fault conditions before charging. The MAX1811 is available in a small 1.4W thermally enhanced 8-pin SO package.
Specifications
Battery Type:
Li-Ion Li-Pol
Input Voltage:
6.5V
Battery Charge Voltage:
4.2V
Charge Current Max:
500mA
Battery IC Case Style:
SOIC
No. of Pins:
8Pins
No. of Series Cells:
1
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
-
RoHS Phthalates Compliant:
To Be Advised
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (15-Jan-2018)
Base Number:
1811
Battery Management Function:
Charge Controller
Device Marking:
MAX1811ESA+
Operating Temperature Range:
-40°C to +85°C
Output Voltage Max:
4.22V
Supply Voltage Min:
4.35V
Termination Type:
Surface Mount Device
Alternate Descriptions
USB-Powered Lithium-ion Charger RS Components
IC, USB-POWERED LI+ CHARGER; Battery Type:Li-Ion, Li-Pol; Input Voltage:6.5V; Battery Charge Voltage:4.2V; Charge Current Max:500mA; Battery IC Case Style:SOIC; No. of Pins:8Pins; No. of Series Cells:1; Operating Temperature RoHS Compliant: Yes Newark Electronics
Battery Charger Li-Ion/Li-Pol 0.455mA 4.2V 8-Pin SOIC N Avnet America
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