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MAX8677AETG+T

BATT CHARGER, LI-ION, 1.5A, TQFN-24

MAXIM INTEGRATED PRODUCTS MAX8677AETG+T
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制造商产品编号:
MAX8677AETG+T
库存编号
2514358
查看所有技术文档

产品概述

The MAX8677AETG+T is a 1.5A dual input USB/AC adapter charger and Smart Power Selector in 24 pin TQFN package. It has integrated 1-cell Li+ charger and Smart Power Selector with dual (DC and USB) power inputs. It can operate with common or separate inputs for USB and AC adapter power or from single input that accepts both. All power switches for charging and switching load between battery and external power are included on-chip. The MAX8677A has Smart Power Selector to make best use of limited USB or adapter power. The battery charge current and input current limit are independently set up to 1.5A and 2A respectively. USB input current can be set to 100mA or 500mA. Automatic input selection switches system load from battery to external power. The MAX8677A includes overvoltage protection (OVP), charge status and fault outputs, power-OK monitors, charge timer and battery thermistor monitor. Additionally, on-chip thermal limiting reduces the battery charge rate to prevent overheating.
  • External MOSFETs are not required
  • Operating temperature range from -40°C to 85°C
  • System operates with discharged or no battery and automatic adapter/USB/battery switchover
  • DC operating range from 4.1V to 6.6V and DC stand-off voltage of 14V
  • Active-low CHG, active-low DOK, active-low UOK and active-low FLT Indicators
  • 5.3V SYS regulation voltage and 4.2V BATT regulation voltage
  • DC supply current of 1mA (ISYS = IBAT = 0mA, active-low VCEN = 0V) and DC shutdown current of 195µA
  • Load peaks over adapter rating are supported by battery and thermal regulation prevents overheating
  • Input overvoltage protection to 16V and 40mohm system to battery switch
  • DC current limit of 2000mA at RPSET= 1.5Kohm

应用

电源管理, 便携式器材, 消费电子产品

警告

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

产品信息

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:
锂离子

:
6.6V

:
4.2V

:
1.5A

:
TQFN

:
24引脚

:
1

:
-40°C

:
85°C

:
-

:
MSL 1 -无限制
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技术文档 (1)

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Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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