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Texas Instruments bq77905 Скачать руководство пользователя страница 15

Related Documentation from Texas Instruments

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SLVUAN2A – May 2016 – Revised July 2016

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Copyright © 2016, Texas Instruments Incorporated

Revision History

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Related Documentation from Texas Instruments

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bq77905,

3-5S Low Power Protector

data sheet,

Revision History

NOTE: Page numbers for previous revisions may differ from page numbers in the current version.

Changes from Original (April 2016) to A Revision

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Changed the data sheet literature number From: SLUSBZ7 To: SLUSCM3 in

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Changed the data sheet literature number From: SLUSBZ7 To: SLUSCM3 in

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Содержание bq77905

Страница 1: ...board jumpers to simulate over or under temperature conditions to observe FET control under different charge and discharge conditions 1 Features Complete evaluation system for the bq77905 3 5S Low Pow...

Страница 2: ...ture during evaluation and provide cooling as needed for your system environment CAUTION Some power supplies can be damaged by application of external voltages If using more than one power supply chec...

Страница 3: ...unt is removed L shunt J3 This shunt shorts J3 pins 3 and 4 connecting the IC TS pin to the thermistor A cold temperature is simulated when the shunt is removed 2 4 Quick Start Sequence These steps de...

Страница 4: ...lled 11 Adjust the supply voltage to 12 V to simulate an undervoltage condition Observe that the pack voltage drops to approximately 0 V 12 Adjust the supply voltage to 18 V to allow recovery from the...

Страница 5: ...e used to adjust the voltage across the individual input resistors to simulate different cell voltages Figure 2 Bipolar Operation Operation can also be demonstrated with conventional supplies and load...

Страница 6: ...ells It is recommended that the user operate the bq77905 EVM with power supplies to become familiar with the operation and features of module and bq77905 before connecting cells The bq77905 EVM may be...

Страница 7: ...als The charge and discharge FETs installed are 60 V rated and will normally accommodate connection of two EVMs Connection of more than two EVMs is not supported by the patterns on the board and is no...

Страница 8: ...he PACK terminals or supply a charge voltage to recover from UV after the cell voltages have returned to normal The Quick Start Sequence section is a good procedure to check the basic operation of the...

Страница 9: ...t Module Physical Layouts This section contains the printed circuit board PCB layout assembly drawings and schematic for the bq77905 circuit module 5 1 Board Layout This section shows the PCB layers a...

Страница 10: ...10 SLVUAN2A May 2016 Revised July 2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated bq77905 3 5S Low Power Protector Evaluation Module Figure 9 Internal Layer 1 Figure...

Страница 11: ...F C13 0 1 F C14 10M R17 5 1k R14 26V D1 DNP GND 3 0M R18 470k R19 5 1k R15 0 1 F C12 0 1 F C11 NT1 C5 C5 C4 C3 C2 C1 C5 E1 0 25 V 6 A 3 25 V 6 A Input Output 10 0k R8 GND TP1 DNP TP3 DNP TP2 DNP TP5...

Страница 12: ...R 0603 0603 06035C104KAT2A AVX D2 1 100 V Diode Switching 100 V 0 25 A SOD 323F SOD 323F BAS16J 135 NXP Semiconductor D4 1 16 V Diode Zener 16 V 200 mW SOD 323 SOD 323 MMSZ5246BS 7 F Diodes Inc MM3Z16...

Страница 13: ...4 mm Disc 5 8 4 mm 103AT 2 SEMITEC Corporation SH J3_1 SH J3_3 2 1 2 Shunt 100 mil Gold plated Black Shunt 969102 0000 DA 3M SNT 100 BK G Samtec U1 1 3 5S Low Power Protector PW0020A PW0020A BQ77905PW...

Страница 14: ...uation Module Table 3 bq77905EVM Bill of Materials 1 continued Designator Quantity Value Description Package Reference Part Number Manufacturer Alternate Part Number Alternate Manufacturer TP2 TP3 TP4...

Страница 15: ...ation from Texas Instruments bq77905 3 5S Low Power Protector data sheet SLUSCM3 Revision History NOTE Page numbers for previous revisions may differ from page numbers in the current version Changes f...

Страница 16: ...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 17: ...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 18: ...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 19: ...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 20: ...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 21: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments BQ77905EVM 707...

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