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This document is the EVM user guide for the BQ24392. The BQ24392 is a charger detection IC with an
integrated USB 2.0 high-speed isolation switch for use with a micro- or mini-USB port. The device is
compatible with all BC1.2 chargers and detects both Apple
NOTE: This board is not designed to support high-current charging.
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Copyright © 2014, Texas Instruments Incorporated
BQ24392EVM User's Guide
and TomTom™ chargers.
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User's Guide
SLVUA61 - April 2014
BQ24392EVM User's Guide
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Related Manuals for Texas Instruments BQ24392EVM
Summary of Contents for Texas Instruments BQ24392EVM
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Page 1: Table Of Contents
SDP with GOOD_BAT = High ............USB Communication with Thumb Drive Through BQ24392 ....................BQ24392EVM Schematic ......................... Top Overlay ........................Top Layer ....................... Ground Layer ......................... Power Layer SLVUA61 – April 2014 BQ24392EVM User's Guide Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 2: Contents 1 About This Manual
The evaluation module is designed to easily demonstrate the capabilities of the BQ24392 without the need for external supplies or metering equipment through the use of status indicator LEDs. See Figure 1 for the EVM block diagram. BQ24392EVM User's Guide SLVUA61 – April 2014 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 3: List Of Hardware Items For Operation
The following items are required for EVM evaluation: • BQ24392 EVM • BC1.2-compliant charger • PC with USB port • USB cable • USB peripheral to connect to the PC SLVUA61 – April 2014 BQ24392EVM User's Guide Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 4: Bq24392 Implementation Guidelines
Not connected Any Device < 3.5 V Open Open Hi-Z Hi-Z Not connected Any Device DBP Timer > 3.5 V Hi-Z Hi-Z Not connected Expired BQ24392EVM User's Guide SLVUA61 – April 2014 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 5: Slow Plug-In Event
CHG_DET is a push-pull output and is high in the active state. Table 2. BQ24392 Outputs CHG_AL_N CHG_DET High-Z Charging is not allowed Low-current charging is allowed High High-current charging is allowed SLVUA61 – April 2014 BQ24392EVM User's Guide Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 6: Evm Overview
VBUS. Figure 3 is the schematic for this portion of the design. Figure 3. Schematic for 3.3-V Output LDO BQ24392EVM User's Guide SLVUA61 – April 2014 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 7: Schematic For Good_Bat Selection Header
The EVM also contains test point for the 3 outputs, 1 input, and the D+ D– pins. Figure 6 shows the schematic for these test points and the locations on the EVM. Figure 6. Test Point Locations SLVUA61 – April 2014 BQ24392EVM User's Guide Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 8: Bq24392 Quick Start Evaluation
BQ24392 Quick Start Evaluation 3.6.1 High-Current Chargers High-current chargers include the following: • BC1.2-compliant DCPs • BC1.2-compliant CDPs • Apple Chargers • TomTom Chargers BQ24392EVM User's Guide SLVUA61 – April 2014 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 9: Evm After High-Current Charger Attached
CHG_DET = OFF SW_OPEN = OFF High CHG_AL_N = ON CHG_DET = OFF SW_OPEN = ON Nonstandard CHG_AL_N = ON CHG_DET = OFF SW_OPEN = OFF SLVUA61 – April 2014 BQ24392EVM User's Guide Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 10: Sdp With Good_Bat Low Or Nonstandard Charger
SDP, changing the GOOD_BAT input to high closes the switches and turns on the SW_OPEN Output. Figure 11. SDP with GOOD_BAT = High BQ24392EVM User's Guide SLVUA61 – April 2014 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 11: Usb Communication With Thumb Drive Through Bq24392
GOOD_BAT = High, we can communicate to a USB thumb drive inserted into the standard-A receptacle, see Figure 12 for an example. Figure 12. USB Communication with Thumb Drive Through BQ24392 SLVUA61 – April 2014 BQ24392EVM User's Guide Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 12: Board Documentation
Charger Detection Device with High Speed RSE0010A BQ24392RSE USB Switch Battery Charger Specification v1.2, RSE0010A TLV7133PDBV IC, 150mA, Low IQ, Ultra Small LDO Voltage TLV7133PDBV Reg. BQ24392EVM User's Guide SLVUA61 – April 2014 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 13: Schematic
LEDs are on if output is boolean True Diode Forward Voltage = 2.2 V VOL Max specified at IOL of 2 mA Figure 13. BQ24392EVM Schematic SLVUA61 – April 2014 BQ24392EVM User's Guide Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 14: Board Layout
Board Documentation www.ti.com Board Layout Figure 14 through Figure 19 illustrate the PCB layout for this EVM. Figure 14. Top Overlay Figure 15. Top Layer BQ24392EVM User's Guide SLVUA61 – April 2014 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 15: Ground Layer
Board Documentation www.ti.com Figure 16. Ground Layer Figure 17. Power Layer SLVUA61 – April 2014 BQ24392EVM User's Guide Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 16: Bottom Layer
Board Documentation www.ti.com Figure 18. Bottom Layer Figure 19. Bottom Overlay BQ24392EVM User's Guide SLVUA61 – April 2014 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 17: Board Stackup And Layout Guidelines
Core: FR-4 • Prepreg: FR-4 Figure 20. Board Stackup Related Documentation BQ24392 Charger Detection Device with High Speed USB Switch Battery Charger Specification v1.2 (SLIS146) SLVUA61 – April 2014 BQ24392EVM User's Guide Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... - Page 18 ADDITIONAL TERMS AND CONDITIONS, WARNINGS, RESTRICTIONS, AND DISCLAIMERS FOR EVALUATION MODULES Texas Instruments Incorporated (TI) markets, sells, and loans all evaluation boards, kits, and/or modules (EVMs) pursuant to, and user expressly acknowledges, represents, and agrees, and takes sole responsibility and risk with respect to, the following: 1.
- Page 19 RADIO FREQUENCY REGULATORY COMPLIANCE INFORMATION FOR EVALUATION MODULES Texas Instruments Incorporated (TI) evaluation boards, kits, and/or modules (EVMs) and/or accompanying hardware that is marketed, sold, or loaned to users may or may not be subject to radio frequency regulations in specific countries.
- Page 20 Les types d'antenne non inclus dans cette liste, ou dont le gain est supérieur au gain maximal indiqué, sont strictement interdits pour l'exploitation de l'émetteur. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2014, Texas Instruments Incorporated spacer Important Notice for Users of EVMs Considered “Radio Frequency Products”...
- Page 21 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue.
- Page 22 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Texas Instruments BQ24392EVM...
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