MAX8606ETD+T by Analog Devices

USB/AC Adapter, Li+ Linear Battery Charger with Integrated 50m Ohm Battery Switch in TDFN


The MAX8606 complete 1-cell Li+ battery charge-management IC operates from either a USB port or AC adapter. It integrates a battery disconnect switch, current-sense circuit, PMOS pass element, and thermal-regulation circuitry, while eliminating the external reverse-blocking Schottky diode, to create a simple and small charging solution. The charging sequence initiates from power-OK indication, through prequalification, fast-charge, top-off charge, and finally charging-complete indication for single-cell Li+ batteries. Charging is controlled using constant current, constant voltage, or constant die-temperature (CCCVCTJ) regulation for safe operation in handhelds. Two logic inputs (active-low EN1 and active-low EN2) select suspend mode, 100mA, 500mA, or ≤ 1A input current limits to suit USB requirements. Proprietary thermal-regulation circuitry limits the die temperature to +100°C to prevent excessive heat on the system PC board. Additional safety features include an NTC thermistor input (THM) and internal timers to protect the battery. A 3.5V to 4.2V SYS output, in conjunction with the low-RDSON battery switch, powers the system even when the battery is deeply discharged or not installed. The IC also offers a +3.3V/500µA output (VL), a charging status flag (active-low CHG), and an input-supply detection flag (active-low POK). The MAX8606 operates from a +4.25V to +5.5V supply and includes undervoltage lockout below +3.4V and overvoltage protection up to +14V.

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Prices starting from US$0.79

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Features

Small 3mm × 3mm Thermally Enhanced TDFN Package (0.8mm max height)
USB-Compliant Suspend Mode (20µA)
Selectable 100mA, 500mA, and Up to 1A Input Current Limits
USB or AC Adapter Input
+6V to +14V Input Overvoltage Protection
Input UVLO Below +4V Rising (3.5V Falling)
Automatic Current Sharing Between Battery Charging and System
Die Temperature Regulation (+100°C)
Prequal, Fast-Charge, and Top-Off Timers
Low Dropout Voltage, 250mV at 0.5A
NTC Thermistor Input
Charge Status and Input-Supply Detection Flags

Specifications

Charging VIN (V) (max) 5.5
Max. ICHG (A) 1
Cell Chemistry Li-IonLi-Polymer
# Lithium Ion Cells 1
Protected VIN (V) (max) 14
Charger (V) 4.2
Oper. Temp. (°C) -40 to +85
Package/Pins TDFN/14
BudgetaryPrice (See Notes) 2.5


MAX8606ETD+T Semiconductors - ICs by Analog Devices

IC BATTERY CHARGER

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Battery Type Li-Ion Li-Pol
Input Voltage 14V
Battery Charge Voltage 4.2V
Charge Current Max 1A
Battery IC Case Style TDFN
No. of Pins 14Pins
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 8606
Battery Management Function Charger Protector
Device Marking MAX8606ETD+T
Operating Temperature Range -40°C to +85°C
Supply Voltage Max 5.5V
Supply Voltage Min 4.25V
Termination Type Surface Mount Device

Alternative Descriptions

USB/AC Adapter, Li+ Linear Bat | Analog Devices
IC, BATTERY CHARGER | element14
Battery Charger, Li-Ion/Pol, 85Deg C | Newark Electronics

Frequently Asked Questions

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Is the MAX8606ETD+T RoHS compliant?

This part has not been flagged as RoHS Compliant.

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Authorised distributors including Analog Devices, element14, Farnell and Newark Electronics have stock available or on a lead time for MAX8606ETD+T .

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