MAX1501ETE+ by Analog Devices

Highly Integrated, Linear Battery Charger with Thermal Regulation for Portable Applications


The MAX1501 intelligent, constant-current, constant-voltage (CCCV), temperature-regulated battery charger charges a single lithium-ion (Li+) cell or three-cell NiMH/NiCd batteries. The device integrates the current-sense resistor, PMOS pass element, and thermal-regulation circuitry, while eliminating the reverse-blocking Schottky diode to create the simplest charging solution for hand-held equipment. For single-cell Li+ batteries, the MAX1501 functions as a stand-alone charger to control the charging sequence from the prequalification state through fast charge, top-off, and charge termination. With 3-cell NiMH/NiCd batteries, the MAX1501 requires collaboration with a microcontroller to determine the best charging algorithm. Proprietary thermal-regulation circuitry limits the die temperature when fast charging or while exposed to high ambient temperatures, allowing maximum charging current without damaging the charger. The MAX1501 continually supplies a regulated output voltage under no-battery conditions, allowing battery changing without interrupting system power. The device achieves high flexibility by providing an adjustable fast-charge current, top-off current, safety timer (disabled in the MAX1501Z), and thermal-regulation setpoint. Other features include input power detection (active-low ACOK) and input under-/overvoltage protection. The MAX1501 provides active-low control inputs. The MAX1501 accepts a 4.5V to 13V supply, but disables charging when the input voltage exceeds 6.5V, preventing excessive power dissipation. The MAX1501 operates over the extended temperature range (-40°C to +85°C) and is available in a compact 16-pin thermally enhanced 5mm x 5mm thin QFN package with 0.8mm profile.

Where to Buy

Prices starting from US$3.17

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RS
from US$4.10
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Analog Devices
from US$3.17
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Newark Electronics
from US$4.58
180
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element14
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Farnell
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Features

Stand-Alone 1-Cell Li+ Charging, Microprocessor- Controlled 3-Cell NiMH/NiCd Charging
No FET, Reverse-Blocking Diode, or Current- Sense Resistor Required
1.4A (max) Programmable Fast-Charge Current
+95°C, +115°C, and +135°C Proprietary Programmable Die Temperature Regulation Control
4.5V to 13V Input Voltage Range with Input Overvoltage (OVLO) Protection Above 6.5V
Programmable Top-Off Current Threshold: 10%, 20%, or 30% of the Fast-Charge Current
Charge-Current Monitor for Fuel Gauging
Programmable Safety Timer (3, 4.5, or 6 hours)
Input Power Detection Output (active-low ACOK) and Charge Enable Input (active-low CHGEN)
Automatic Recharge
Digital Soft-Start Limits Inrush Current
Charge Status Outputs for LEDs or µP Interface

Specifications

Charging VIN (V) (max) 6.25
Max. ICHG (A) 1.4
Cell Chemistry Li-IonLi-PolymerNiCdNiMH
# NiMH/ NiCd Cells 3
# Lithium Ion Cells 1
Protected VIN (V) (max) 13
Charger (V) 4.14.24.54.95
Oper. Temp. (°C) -40 to +85
Package/Pins TQFN/16
BudgetaryPrice (See Notes) 2.45


MAX1501ETE+ Semiconductors - ICs by Analog Devices

BATTERY CHARGER 1.4A 4.5~13V 16TQFN

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

Specifications

Battery Type Li-Ion NiCd NiMH
Input Voltage 13V
Battery Charge Voltage 4.95V
Charge Current Max 1.4A
Battery IC Case Style TQFN
No. of Pins 16Pins
No. of Series Cells 3
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)
Base Number 1501
Battery Management Function Charger Protector
Operating Temperature Range -40°C to +85°C
Output Voltage Max 3.3V
Supply Voltage Min 4.5V
Termination Type Surface Mount Device

Alternative Descriptions

Highly Integrated, Linear Batt | Analog Devices
Battery Charger, 1.4A, 4.5~13V, 16Tqfn | Newark Electronics
BATTERY CHARGER, 1.4A, 4.5~13V, 16TQFN | element14
BATTERY CHARGER WITH REGULATION TQFN16EP | RS

Frequently Asked Questions

Where can I find additional details, specifications and documents for a MAX1501ETE+ ?

Additional datasheets, footprints and schematics for MAX1501ETE+ are listed on our Part Details page. You can also find images and similar parts to MAX1501ETE+ on this page.

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Is the MAX1501ETE+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

Which authorised distributors for MAX1501ETE+ have stock available?

Authorised distributors including Analog Devices, Newark Electronics, element14, Farnell and RS have stock available or on a lead time for MAX1501ETE+ .

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