Texas Instruments bq2512 Series Скачать руководство пользователя страница 24

Страница: 24 / 24

Mouser Electronics

Authorized Distributor

Click to View Pricing, Inventory, Delivery & Lifecycle Information:

Содержание bq2512 Series

Страница 1: ...bq25120 PWR731 bq25121 PWR812 Contents 1 Introduction 2 1 1 bq2512x IC Features 2 1 2 bq2512x EVM Features 2 1 3 Schematic 3 1 4 I O Description 4 1 5 Test Points 5 1 6 Default Settings 5 1 7 Recomme...

Страница 2: ...it charge current PWM output voltage LDO output voltage and other parameters are programmable through the I2 C interface The battery is charged using a standard Li Ion charge profile with three phases...

Страница 3: ...ND A1 U1 BQ25120YFF J7 VINLS PMID SYS GND SYS PGND PGND GND 499 R7 499 R11 SYS 5 K R12 J17 100k R14 J8 499 R10 499 R13 50k R8 1 F C2 4 7 F C1 10 F C9 1 F C6 1 F C7 PMID 20k R1 GND 14 3k R3 14 0k R2 GN...

Страница 4: ...to GND J10 EV2400 The 4 wire connector for EV2400 communication interface J11 ISET Headers for ISET pin to be connected to an external resistor or shorted to GND J12 INT Headers for INT pin to be pull...

Страница 5: ...ommunication interface However I2 C communication is not required for this device to operate The module is programmed to the default settings as is described in Table 3 Table 4 shows the initial jumpe...

Страница 6: ...N Input Current IN input 400 mA ISW Output Current from SW DC 300 mA IPMID Output Current from PMID DC 300 mA ILS LDO Output Current from LS LDO 100 mA IBAT ISYS Charging and discharging using interna...

Страница 7: ...hen turn off supply Set power supply 2 PS 2 for 3 5 V and then turn off supply 2 Connect the positive output of PS 1 through a current meter CM 2 to IN J2 and negative output to GND J34 3 Connect a vo...

Страница 8: ...ing I2 C communication implement the following steps with the software GUI 1 Install the bqStudio software GUI 2 Connect the EV2400 interface board to the EVM as shown in Figure 4 http www ti com tool...

Страница 9: ...2 3 Observe D2 is on D1 is off 4 Measure on VM 3 V J27 SYS_S J14 GND 1 8V 50 mV 5 Measure on CM 2 ICHRG 0 1 mA 6 Measure on CM 1 IIN 2 mA 7 Disable PS 1 and PS 2 3 3 Charge Current Regulation 1 Remove...

Страница 10: ...ossible instead of relying on each supply s digital measurement 2 When using a source meter as your battery simulator it is highly recommended to configure the source meter for 4 wire sensing eliminat...

Страница 11: ...4 H15 4 SJ61A1 3M Bumpon Cylindrical 0 312 X 0 200 Black Black Bumpon 9 J1 1 105017 0001 Molex Receptacle Micro USB B Right Angle SMD Micro USB receptacle 10 J2 J3 J4 J5 J7 J8 J12 J15 J17 J22 J24 J26...

Страница 12: ...S1 1 KST221JLFS C K Components Switch Tactile SPST NO SMT Switch 6 2X5X6 2 mm 26 SH JP1 SH JP2 SH JP3 SH JP4 SH JP5 SH JP6 SH JP7 7 1x2 969102 0000 DA 3M Shunt 100mil Gold plated Black Shunt 27 TP1 T...

Страница 13: ...ed May 2016 Submit Documentation Feedback Copyright 2015 2016 Texas Instruments Incorporated bq2512x Evaluation Module 5 2 Board Layouts 5 2 1 PWR731 Layouts Figure 7 through Figure 16 illustrate the...

Страница 14: ...nd Board Layout www ti com 14 SLUUBC8A August 2015 Revised May 2016 Submit Documentation Feedback Copyright 2015 2016 Texas Instruments Incorporated bq2512x Evaluation Module Figure 9 Top Layer Figure...

Страница 15: ...terials and Board Layout 15 SLUUBC8A August 2015 Revised May 2016 Submit Documentation Feedback Copyright 2015 2016 Texas Instruments Incorporated bq2512x Evaluation Module Figure 11 Signal Layer 2 Fi...

Страница 16: ...ard Layout www ti com 16 SLUUBC8A August 2015 Revised May 2016 Submit Documentation Feedback Copyright 2015 2016 Texas Instruments Incorporated bq2512x Evaluation Module Figure 13 Bottom Solder Mask F...

Страница 17: ...erials and Board Layout 17 SLUUBC8A August 2015 Revised May 2016 Submit Documentation Feedback Copyright 2015 2016 Texas Instruments Incorporated bq2512x Evaluation Module Figure 15 Drill Drawing Figu...

Страница 18: ...Layout Figure 17 illustrates the PWR812 PCB composite layout Figure 17 PWR812 Composite Layout Revision History NOTE Page numbers for previous revisions may differ from page numbers in the current ver...

Страница 19: ...ing the warranty period to the address designated by TI and that are determined by TI not to conform to such warranty If TI elects to repair or replace such EVM TI shall have a reasonable time to repa...

Страница 20: ...transmitter has been approved by Industry Canada to operate with the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indic...

Страница 21: ...ified allowable ranges some circuit components may have elevated case temperatures These components include but are not limited to linear regulators switching transistors pass transistors current sens...

Страница 22: ...REMOVAL OR REINSTALLATION ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES RETESTING OUTSIDE COMPUTER TIME LABOR COSTS LOSS OF GOODWILL LOSS OF PROFITS LOSS OF SAVINGS LOSS OF USE L...

Страница 23: ...sponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related inf...

Страница 24: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments BQ25120EVM 731...