RT9471DGQW The RICHTEK RT9471DGQW is a highly integrated 3A switching battery charger for single cell Li-Ion and Li-Polymer batteries. It offers high efficiency and flexible system settings via an I2C interface.
Mfr Part #:

RT9471DGQW

Available from 2 distributors
Mfr Name: Richtek
Richtek
The RICHTEK RT9471DGQW is a highly integrated 3A switching battery charger for single cell Li-Ion and Li-Polymer batteries. It offers high efficiency and flexible system settings via an I2C interface.
Total Stock: 7,777 pcs

RT9471DGQW Available from 2 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
7,386 pcs
7386 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
391 pcs
391 pcs On Request 1 On Request On Request 20+ On Request On Request

RT9471DGQW Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Halogen Free
Mounting Type

RT9471DGQW Description

Short technical summary and product information.

The RICHTEK RT9471DGQW is a 3A single cell switching battery charger designed for Li-Ion and Li-Polymer batteries. It integrates charge management and system power path management, optimizing efficiency and reducing charging time.

 

Key electrical specifications include an input voltage range of 3.9V to 13.5V, a maximum battery charge voltage of 4.7V, and a maximum charge current of 3.15A. The device operates at a switching frequency of 1.5MHz and boasts up to 92% charge efficiency at 2A and 92% boost efficiency at 1A.

 

This charger features an I2C serial interface for flexible charging and system settings. It supports various regulation functions such as Average Input Current Regulation (AICR), Minimum Input Voltage Regulation (MIVR), Charge Current Regulation (CCR), and Charge Voltage Regulation (CVR). Protection features include Over-Temperature Protection (OTP), VBUS Overvoltage Protection (VBUS OVP), and Cycle-by-Cycle Overcurrent Protection (OCP).

 

The RT9471DGQW is housed in a WQFN-24L 4x4 package and is suitable for surface mounting. It operates within a junction temperature range of -40°C to 125°C and an ambient temperature range of -40°C to 85°C. Applications include smartphones, tablet PCs, personal information appliances, and portable devices.

RT9471DGQW Quick Information

Product Type: Switching Battery Charger
Canonical Name: RT9471DGQW 3A Single Cell Switching Battery Charger
Subcategory: Battery Charger

RT9471DGQW Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Yes

RT9471DGQW Features

  • Highly integrated 3A battery charger.
  • Supports single cell Li-Ion/Li-Polymer.
  • Input voltage range 3.9V to 13.5V.
  • High charge and boost efficiency.
  • I2C serial interface for flexibility.

RT9471DGQW Applications

  • Ideal for smartphones and tablets.
  • Suitable for portable devices.
  • Used in personal information appliances.
  • Enables flexible power management.

RT9471DGQW FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum input voltage for the RT9471DGQW?

The maximum input voltage is 13.5 V.

What is the maximum battery charge current?

The maximum battery charge current is 3.15 A.

What is the operating temperature range?

The junction temperature range is -40°C to 125°C, and the ambient temperature range is -40°C to 85°C.

What package type is the RT9471DGQW available in?

It is available in a WQFN-24L 4x4 package.

What is the RoHS status of the RT9471DGQW?

The RoHS status is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL)?

The Moisture Sensitivity Level is 1 Unlimited.

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