MAX14747EWA+ by Analog Devices

USB Detection with Smart Power Selector Li+ Chargers


The MAX14746/MAX14747 are a series of USB charger detectors with an integrated Smart Power Selector™ linear charger solutions that provide a single-chip solution for charging and charger detection. The MAX14746/MAX14747 charger detectors are compliant to USB Battery Charger Detection Rev 1.2* and capable of detecting multiple USB battery-charging methods, including Standard Downstream Ports (SDP), Charging Downstream Ports (CDP), and Dedicated Charger Ports (DCP). The devices also detect common proprietary charge adapters, including those from Apple. The MAX14746/MAX14747 battery chargers feature Smart Power Selector operation, allowing operation with dead or no battery present. The devices limits USB VBUS current based on the detect charger source type. If the charger power source is unable to supply the entire system load, the smart-power control circuit supplements the system load with current from the battery. The devices protect against overvoltage faults up to 28V. This series of USB charger detectors are available with several options, with slight variations in, for example, power-up states. These variations are noted throughout this data sheet. There are five options available with slight variations in, for example, power-up states. The devices are available in a 25-ball, 0.4mm pitch wafer-level package (WLP), and are specified over the -40°C to +85°C extended temperature range.

Where to Buy

Prices starting from US$0.64

Distributor Stock
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Farnell
from US$2.57
74
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element14
from US$3.39
74
in stock
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Logo for Newark Electronics
Newark Electronics
from US$0.64
25
in stock
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Features

Flexible System Design to Operate with Any USB Charger Source Compliant to USB Battery Charger Rev 1.2 Specification Supports Proprietary USB Charging Sources, Including Apple D+/D- Bias Voltage Supported
Compliant to USB Battery Charger Rev 1.2 Specification
Supports Proprietary USB Charging Sources, Including Apple
D+/D- Bias Voltage Supported
Easy to Implement Li+ Battery Charging Smart Power Selector Fully Compliant with Dead Battery/Weak Battery Charging According to USB 2.0 Specification JEITA Charge Protection Thermal Protection Internal USB D+/D- Switch to Manage Connection
Smart Power Selector
Fully Compliant with Dead Battery/Weak Battery Charging According to USB 2.0 Specification
JEITA Charge Protection
Thermal Protection
Internal USB D+/D- Switch to Manage Connection
Integrates High Level of Protection 28V Tolerant Input on VB ±15kV Human Body Model ESD Protection on CDP and CDN
28V Tolerant Input on VB
±15kV Human Body Model ESD Protection on CDP and CDN

Specifications

Protocol USB
Configuration 2 x SPST
VSUPPLY (Single) (V) (min) 2.2
VSUPPLY (Single) (V) (max) 5.5
VSIGNAL (V) (min) 0
Supported USB Battery Charging Specification 1.2
VBUS Tolerance (V) 28
ESD Protection ±15kV HBM
RON (Ω) (max) 6
RFLAT(ON) (Ω) (typ) 0.3
IL(OFF) (nA) (max) 360
CON (pF) 6
COFF (pF) 3.5
Package/Pins WLP/25
BudgetaryPrice (See Notes) 1.8


MAX14747EWA+ Semiconductors - ICs by Analog Devices

USB CHARGER DETECTOR LI-ION WLP-25

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

Specifications

Battery Type Li-Ion
IC Interface Type I2C
No. of Batteries 1
Supply Voltage Min 0V
Supply Voltage Max 5.5V
Battery IC Case Style WLP
No. of Pins 25Pins
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

USB CHARGER DETECTOR, LI-ION, WLP-25 | element14
Usb Charger Detector, Li-Ion, Wlp-25 | Newark Electronics

Frequently Asked Questions

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Is the MAX14747EWA+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

Which authorised distributors for MAX14747EWA+ have stock available?

Authorised distributors including element14, Farnell and Newark Electronics have stock available or on a lead time for MAX14747EWA+ .

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