IC manufacturers Texas Instruments

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Texas Instruments BQ25883 | Demoboard PMP40496

2-cell boost charge system reference design with 5-V USB

Overview

TopologyBoost Converter
Input voltage4.5-5.5 V
Output 18.4 V / 1.5 A
IC revision001

Description

This 5-V USB, 2-cell battery boost charger reference design includes a charger system and a 2-cell battery holder with a gauge that can be connected by a cable or work independently. The key components of the charger system include the BQ25883 boost charger, TUSB320LAI Type-C CC logic, MSP430FR2433 microcontroller (MCU), OLED display, USB Type-C and Micro B connecters. The battery gauge is BQ28Z610, which combined with the internal ADC of BQ25883, display the charge and battery parameters. This design can be connected to your own system via a signal connector J5, making it a plug-in turnkey solution. The design is suitable for portable electronics applications, such as POS, Bluetooth® speakers and portable printers.

Features

  • Bidirectional charging and on-the-go (OTG) operation for a 5-V USB 2-cell battery system
  • Supports USB Type-C dual role port (DRP), USB 3.0 and BC1.2
  • System can be divided into two independent parts
  • OLED displays charging parameters and battery status in real time
  • Merge to external system easily

Typical applications

  • Bluetooth speaker
  • Portable POS / Wireless security camera
  • EPOS Printer

More information

Products

Order Code Data­sheet Simu­lation Downloads Status Product seriesL
(µH)
IRP,40K
(A)
ISAT,30%
(A)
RDC typ.
(mΩ)
fres
(MHz)
VOP
(V)
MountApplicationInterface TypeTypeGenderPins (Value)
(pcs)
Working Voltage
(V (DC))
Packaging Samples
74438336010SPEC
10 files Active i| Production is active. Expected lifetime: >10 years.WE-MAPI SMT Power Inductor 1 6.15 6.5 26 67 80 SMT 2
632723300011SPEC
6 files Active i| Production is active. Expected lifetime: >10 years.WR-COM USB 3.1 Type C Receptacle Horizontal THR / SMT THR USB 3.1 Type C Horizontal Receptacle 24 20 Tape and Reel
Order Code Data­sheet Simu­lation
74438336010SPEC
632723300011SPEC
Samples
Order Code Data­sheet Simu­lation Downloads Status Product seriesL
(µH)
IRP,40K
(A)
ISAT,30%
(A)
RDC typ.
(mΩ)
fres
(MHz)
VOP
(V)
MountApplicationInterface TypeTypeGenderPins (Value)
(pcs)
Working Voltage
(V (DC))
Packaging Samples