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USB3751A-1-A4

Description
BATTERY CHARGE CONTROLLER
CategoryPower/power management    The power supply circuit   
File Size409KB,31 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Download Datasheet Parametric Compare View All

USB3751A-1-A4 Overview

BATTERY CHARGE CONTROLLER

USB3751A-1-A4 Parametric

Parameter NameAttribute value
MakerMicrochip
Reach Compliance Codecompli
ECCN codeEAR99
Analog Integrated Circuits - Other TypesBATTERY CHARGE CONTROLLER
USB375x
USB 2.0 Protection IC with Battery
Charger Detection
Features
VBUS
Over-Voltage Protection
- Protects internal circuits from VBUS up to 9V
- Over-Voltage/Under-Voltage Lockout opens
VBUS switch
- Interrupt to indicate Over-Voltage/Under-Volt-
age Lockout
- Integrated Low R
DSON
FET
• USB Port ESD Protection (DP/DM/VBUS)
- ±15kV (air discharge)
- ±15kV (contact discharge)
- IEC 61000-4-2 level 4 ESD protection without
external devices
• High Speed USB Mux for multiplexing the USB
lanes between different functions (USB3750 only)
- Switch the USB connector between two dif-
ferent functions
- High bandwidth USB switch passes HS USB
signals
• Provides USB Battery Charger Detection for:
- USB-IF Battery Charging compliant Dedi-
cated Charging Ports (DCP)
- USB-IF Battery Charging compliant Charging
Downstream Port (CDP)
- Standard Downstream Port (SDP); i.e. USB
host or downstream hub port
- Dedicated SE1 type chargers
• Dead Battery Provision Support (USB375x-1
only)
- Allows 100 mA trickle charging from VBUS
when attached to a Standard Downstream
Port (SDP) while not enumerated
- Built-in 100mA current limiting option
• Microchip RapidCharge Anywhere™ Provides:
- 3-times the charging current through a USB
port over traditional solutions
- USB-IF Battery Charging 1.2 compliance to
any portable device
- Charging current up to 1.5Amps via compati-
ble USB host or dedicated charger
- Dedicated Charging Port (DCP), Charging
(CDP) & Standard (SDP) Downstream Port
support
• flexPWR
®
Technology
- Extremely low current design ideal for battery
powered applications
- Maximizes power delivered to the system
• Industrial Operating Temperature -40°C to +85°C
• 16-Pin QFN RoHS compliant package; (3.0 mm x
3.0 mm x 0.9 mm height
USB375x Block Diagram
HS Switch is USB3750 feature only
VBUS
DP_2
USB Connector
DP
ESD Protection
DP
DM
DM_2
HS USB
Switch
USB 2.0 PHY,
Processor, or
Accessory
DM
DP_1
DM_1
DP
DM
VBUS
USB 2.0 PHY,
Processor, or
Accessory
VBUS
Over-Voltage/Under-Voltage
Protection and Current
Limiting
VOUT
VBUS
Battery
Charger/
PMU
GND
Charger
Detection
I
2
C
Interface
SCL
SDA
INT_B
Processor
2011 - 2014 Microchip Technology Inc.
DS00001824A-page 1

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Maker Microchip Microchip -
Reach Compliance Code compli compli -
ECCN code EAR99 EAR99 -
Analog Integrated Circuits - Other Types BATTERY CHARGE CONTROLLER BATTERY CHARGE CONTROLLER -
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