Texas Instruments bq27750EVM Скачать руководство пользователя страница 22

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VSS

SRN

SRP

TS1

SCL

SDA

DSG

PACK

CHG

PBI

VBAT

VC/INT

BQ27750DRZR

2.2µF

0.1µF

2N7002KW

JP1

JP2

BTP

DNP

JP3

JP4

TP1
1P

TP5
1N

TP6
Charger-/Load-

TP8
SRP

TP2
/Load+

TP9
SRN

TP4
CHG

5.1k

10.0k ohm

t°

RT1

0.001

R16

0.1µF

DNP

0.1µF

C10

DNP

1µF

DNP

330k

DNP

10.0

5.1k

R10

5.1k

R11

GND

10M

GND

10k

CHGND

10M

5.1k

1.0k

TP3
DSG

CSD87501L

TP7
BTP

DNP

/Load+

Charger-/Load-

GND

SCL

SDA

100

R15

100

R13

100

R12

100

R14

1
2
3

NT1
Net-Tie

SGND

JP5

FET BYPASS

R17

DNP

SCL

SDA

Circuit Module Physical Layouts and Bill of Materials

www.ti.com

SLUUBP4 – June 2017

Submit Documentation Feedback

bq27750EVM 1-Series Li-Ion Battery Pack Manager Evaluation Module

Figure 21

illustrates the EVM schematic.

Figure 21. Schematic

Содержание bq27750EVM

Страница 1: ...ycling data for further evaluation and evaluate the overall functionality of the solution under different charge and discharge conditions using I2 C communication protocol Contents 1 Features 2 1 1 Ki...

Страница 2: ...Complete evaluation system for the bq27750EVM 1 series battery pack manager evaluation module Populated circuit module for quick setup Software that allows data logging for system analysis 1 1 Kit Con...

Страница 3: ...eps to install the bq27750 Battery Management Studio software 1 Download and run the Battery Management Studio setup program from the Development Tools section of the bq27750EVM product folder on www...

Страница 4: ...revision it will only work with an EV2400 If it is an A revision the EV2300 can be used Ensure that shunts are placed on P2 and P3 jumpers to enable the onboard pullup resistors If the EV2400 is used...

Страница 5: ...device has been woken up from shutdown mode by momentarily pressing button S1 or applying a charger voltage the gauge will be automatically detected and the register screen will appear as seen in Figu...

Страница 6: ...ins parameters used to monitor gauging The Bit Registers section provides bit level picture of status and fault registers A green flag indicates that the bit is 0 low state and a red flag indicates th...

Страница 7: ...an be extracted modified and imported back on the device Use the export and import buttons as seen in Figure 4 to export and import gg csv files The auto export button enables gg files to be exported...

Страница 8: ...e field and select the Calibrate Pack Voltage box If the voltage is not present then turn the charge and discharge FETs on by entering a 0x22 command in the Manufacturer Access register on the Registe...

Страница 9: ...anagement Studio because it is not required when using the bq27750EVM The Board Offset Calibration option is available in bqProduction Connect and measure a 2 A current source from 1N and Charger Load...

Страница 10: ...ey Figure 6 Authentication Screen 3 6 Chemistry Selection The chemistry file contains parameters that the simulations use to model the cell and its operating profile It is critical to program a Chemis...

Страница 11: ...ttery Management Studio 11 SLUUBP4 June 2017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated bq27750EVM 1 Series Li Ion Battery Pack Manager Evaluation Module Figure 7 Chem...

Страница 12: ...reen Press the Programming button to select the Programming window This window allows the user to program the device firmware Use the following procedures to program the device Search for the srec fil...

Страница 13: ...cturing Access commands see Figure 9 The transaction log screen shows the history of sent commands NOTE I2 C commands are sent in Little Endian format Figure 9 Advanced Comm Screen Examples Reading an...

Страница 14: ...rogram multiple devices A flash stream file bqfs dffs or gmfs can be extracted by Browsing to the desired location Creating a file name in the Base File Name field Checking the corresponding checkbox...

Страница 15: ...a file package to be uploaded to the Gauge Parameter Calculator Packager gpc tool on www ti com Click on the gpc packager help for guidance on usage see Figure 11 Figure 11 GPC Packager Screen 3 11 W...

Страница 16: ...Battery Pack Manager Evaluation Module 3 12 Data Graph Screen This enables specified registers and data memory items to be plotted in a graph in real time based on a specific time interval chosen as...

Страница 17: ...ck Manager Evaluation Module 4 Circuit Module Physical Layouts and Bill of Materials This section contains the printed circuit board PCB layout assembly drawings bill of materials BOM and schematic fo...

Страница 18: ...ll of Materials www ti com 18 SLUUBP4 June 2017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated bq27750EVM 1 Series Li Ion Battery Pack Manager Evaluation Module Figure 17...

Страница 19: ...Layouts and Bill of Materials 19 SLUUBP4 June 2017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated bq27750EVM 1 Series Li Ion Battery Pack Manager Evaluation Module Figure...

Страница 20: ...021K00JNED Vishay Dale R2 1 10k RES 10 k 5 0 063 W 0402 0402 CRCW040210K0JNED Vishay Dale R3 R4 2 10Meg RES 10 M 5 0 063 W 0402 0402 CRCW040210M0JNED Vishay Dale R5 1 10 0 RES 10 0 0 1 0 063 W 0402 04...

Страница 21: ...eference Part Number Manufacturer FID1 FID2 FID3 FID4 FID5 FID6 0 Fiducial mark There is nothing to buy or mount Fiducial N A N A JP2 0 Header 100mil 2x1 Tin TH Header 2 PIN 100mil Tin PEC02SAAN Sulli...

Страница 22: ...GND 4 1 2 3 J3 GND 10M R4 TS TS GND GND 10k R2 CHGND CHGND 10M R3 5 1k R6 1P 1P E1 1 0k R1 TP3 DSG A2 A1 B2 B1 C2 C1 D2 D1 E2 E1 Q1 CSD87501L TP7 BTP DNP Charger Load Charger Load 1N TS 1P GND SCL SD...

Страница 23: ...set forth above or credit User s account for such EVM TI s liability under this warranty shall be limited to EVMs that are returned during the warranty period to the address designated by TI and that...

Страница 24: ...the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated Antenna types not included in this list having a gain great...

Страница 25: ...t the EVM user guide prior to connecting any load to the EVM output If there is uncertainty as to the load specification please contact a TI field representative During normal operation even with the...

Страница 26: ...OST OF 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...

Страница 27: ...TI Resource NO OTHER LICENSE EXPRESS OR IMPLIED BY ESTOPPEL OR OTHERWISE TO ANY OTHER TI INTELLECTUAL PROPERTY RIGHT AND NO LICENSE TO ANY TECHNOLOGY OR INTELLECTUAL PROPERTY RIGHT OF TI OR ANY THIRD...

Страница 28: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments BQ27750EVM 837...

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