2-cell boost charge system reference design with 5-V USB
PMP40496
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Key Document
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
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Schematic/Block Diagram
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Design Guide
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TI Devices (13)
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| Sample & Buy |
Design Kits & Evaluation Modules |
| BQ25882 |
I2C 2 cell 2A Boost battery charger for USB input in a WCSP package with Power Path |
Battery management ICs |
Sample & Buy |
View Design Kits & Evaluation Modules |
| BQ25883 |
I2C 2 cell 2A Boost battery charger for USB input in a WQFN package with Power Path |
Battery management ICs |
Sample & Buy |
View Design Kits & Evaluation Modules |
| BQ28Z610 |
Battery fuel gauge with integrated protector for 1-2 series packs |
Battery management ICs |
Sample & Buy |
View Design Kits & Evaluation Modules |
| BQ28Z610-R1 |
Battery fuel gauge with integrated protector for 1-2 series packs |
Battery management ICs |
Sample & Buy |
View Design Kits & Evaluation Modules |
| CSD16327Q3 |
25-V, N channel NexFET™ power MOSFET, single SON 3 mm x 3 mm, 4.8 mOhm |
MOSFETs |
Sample & Buy |
Not Available |
| ESD351 |
1.8-pF, 3.3V, ±30-kV ESD protection diode with 6.5-V, 16-A TLP clamping in 0402 package for USB 2.0 |
Circuit protection ICs |
Sample & Buy |
View Design Kits & Evaluation Modules |
| INA181 |
26V, bi-directional, 350kHz current sense amplifier |
Current sense amplifiers |
Sample & Buy |
View Design Kits & Evaluation Modules |
| MSP430FR2433 |
16 MHz MCU with 16KB FRAM, 4KB SRAM, 10-bit ADC, UART/SPI/I2C, timer |
Microcontrollers (MCUs) |
Sample & Buy |
View Design Kits & Evaluation Modules |
| TLV704 |
150-mA, 24-V, ultra-low-IQ, low-dropout voltage regulator |
Power management |
Sample & Buy |
View Design Kits & Evaluation Modules |
| TPD2EUSB30A |
Dual l 0.7-pF, 3.6-V, ±8-kV ESD protection diode with 5-A surge rating for USB 3.0 |
Circuit protection ICs |
Sample & Buy |
View Design Kits & Evaluation Modules |
| TPD4E1U06 |
Quad 0.8-pF, 5.5-V, ±15-kV ESD protection diode in SOT-23 & SC70 packages |
Circuit protection ICs |
Sample & Buy |
View Design Kits & Evaluation Modules |
| TPS709 |
150-mA, 30-V, ultra-low-IQ, low-dropout voltage regulator with reverse current protection and enable |
Power management |
Sample & Buy |
View Design Kits & Evaluation Modules |
| TUSB320LAI |
Type-C Configuration Channel Logic and Port Control |
USB ICs |
Sample & Buy |
View Design Kits & Evaluation Modules |
CAD/CAE symbols
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Step 2: Download the Symbol and Footprint from the CAD.bxl file table.
Texas Instruments and Accelerated Designs, Inc. have collaborated together to provide TI customers with schematic symbols and PCB layout footprints for TI products.
Step 1: Download and install the free download.
Step 2: Download the Symbol and Footprint from the CAD.bxl file table.
Step 3: Open the .bxl file with the Ultra Librarian software.
You can always access the complete CAD/CAE Symbols database at https://webench.ti.com/cad/
Both PCB footprints and schematic symbols are available for download in a vendor neutral format, which can then be exported to the leading EDA CAD/CAE design tools using the Ultra Librarian Reader. The reader is available as a (free download.).
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Technical documentation
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User guide (1)
| Title | Type | Size (KB) | Date |
| | PDF | 1736 |
02 Apr 2019
|
Design files (6)
| | ZIP | 2510 |
28 May 2019
|
| | PDF | 457 |
28 May 2019
|
| | PDF | 102 |
28 May 2019
|
| | ZIP | 1242 |
02 Apr 2019
|
| | PDF | 1341 |
02 Apr 2019
|
| | PDF | 322 |
02 Apr 2019
|
More literature (1)
| Title | Type | Size (KB) | Date |
| | ZIP | 365 |
03 Jul 2019
|
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