MAX1501ZETE+

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> Semiconductors - ICs

> Battery Management

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Series Information for MAX1501ZETE+ - Maxim Integrated

Features

  • feature
    +95u00b0C, +115u00b0C, and +135u00b0C Proprietary Programmable Die Temperature Regulation Control
  • feature
    1.4A (max) Programmable Fast-Charge Current
  • feature
    4.5V to 13V Input Voltage Range with Input Overvoltage (OVLO) Protection Above 6.5V
  • feature
    Automatic Recharge
  • feature
    Charge Status Outputs for LEDs or u00b5P Interface
  • feature
    Charge-Current Monitor for Fuel Gauging
  • feature
    Digital Soft-Start Limits Inrush Current
  • feature
    Input Power Detection Output (ACOK) and Charge Enable Input (CHGEN)
  • feature
    No FET, Reverse-Blocking Diode, or CurrentSense Resistor Required
  • feature
    Programmable Safety Timer (3, 4.5, or 6 hours)
  • feature
    Programmable Top-Off Current Threshold: 10%, 20%, or 30% of the Fast-Charge Current

Description

BATTERY CHARGER 1.4A TQFN-16
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 tem- perature when fast charging or while exposed to high ambient temperatures, allowing maximum charging cur- rent without damaging the charger. The MAX1501 con- tinually 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-regula- tion setpoint. Other features include input power detec- tion (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.

Specifications

Battery Type:
Li-Ion NiCd NiMH
Input Voltage:
13V
Battery Charge Voltage:
4.2V
Charge Current Max:
1.4A
Battery IC Case Style:
TQFN
No. of Pins:
16Pins
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)

Alternate Descriptions

Avnet America

Battery Charger Li-Ion/Li-Pol/NiCD/NiMH 1400mA 4.2V/4.1V/4.95V/4.5V 16-Pin TQFN EP

Avnet America product

Avnet Europe

Battery Charger Li-Ion/Li-Pol/NiCD/NiMH 1400mA 4.2V/4.1V/4.95V/4.5V 16-Pin TQFN EP

Avnet Europe product