Texas Instruments bq24210EVM Скачать руководство пользователя страница 10 | Manualshive

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Bill of Materials, Board Layout and Schematics

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800mA, Single-Input, Single Cell Li-Ion Battery Solar Charger with Power Path

SLUU477 – December 2010

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© 2010, Texas Instruments Incorporated

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Содержание bq24210EVM

Страница 1: ...dd Operating Conditions 3 2 Test Summary 4 2 1 Definitions 4 2 2 Safety 4 2 3 Quality 4 2 4 Apparel 4 2 5 Equipment 5 2 6 Equipment Setup 5 2 7 Procedure 6 3 PCB Layout Guideline 6 4 Bill of Materials Board Layout and Schematics 7 4 1 Bill of Materials 7 4 2 Board Layout 8 4 3 Schematics 11 List of Figures 1 Original Test Setup for HPA678 bq24210 EVM 5 2 Top Assembly 8 3 Top Layer 9 4 Bottom Layer...

Страница 2: ...e battery A system load can be placed in parallel with the battery as long as the average system load does not keep the battery from charging fully during the 10 hour safety timer The battery is charged in three phases conditioning constant current and constant voltage In all charge phases an internal control loop monitors the IC junction temperature and reduces the charge current if an internal t...

Страница 3: ...urrent Maximum input current 0 0 8 A Charge current Ichrg Battery charge current 0 0 8 A Operating junction temperature 0 125 C range TJ An external resistor is used to program the VBUS_DPM The programming resistor RVDPM is dictated by the following equation 1 Where VBUS_DPM is the desired input voltage regulation voltage threshold VBUS_DPM_1 is the built in offset threshold nominally 3 5V KVBUS_D...

Страница 4: ...ters A B If measured values are not within specified limits the unit under test has failed Observe A B Observe if A B occur If they do not occur the unit under test has failed Assembly drawings have location for jumpers test points and individual components 2 2 Safety 1 Safety Glasses are to be worn 2 This test must be performed by qualified personnel trained in electronics theory and understand t...

Страница 5: ...ent meters must be capable of measuring 1A current 2 6 Equipment Setup 1 Set the power supply 1 PS 1 for 6 5V 200mVDC 1A 0 1A current limit and then turn off supply 2 Connect the output of PS 1 in series with a current meter multi meter to J1 VBUS GND 3 Connect a voltage meter across J1 VBUS GND 4 Connect Load 1 in series with a current meter to J2 VBAT GND Turn off Load 1 5 Connect a voltage mete...

Страница 6: ... ON Increase the voltage of LOAD 1 to be 3 5 V Measure I J2 VBAT 0 5A 100mA Observe D1 PG ON D2 CHG ON 2 7 4 VDPM Input Voltage Regulation Setting Disconnect J3 measure the resistance between J3 1 to GND 6 65kΩ 10 2 7 5 Test Complete Turn off the power supply and remove all connections from the unit under test UUT 3 PCB Layout Guideline 1 It is critical that the exposed thermal pad on the backside...

Страница 7: ...3SAAN Header Male 3 pin 100mil spacing 0 100 inch x 3 PEC03SAAN Sullins 4 JP1 JP2 PEC02SAAN Header 2 pin 100mil spacing 0 100 inch x 2 PEC02SAAN Sullins JP3 JP4 3 JP5 JP6 PEC03SAAN Header 3 pin 100mil spacing 0 100 inch x 3 PEC03SAAN Sullins JP7 1 R1 21 5k Resistor Chip 1 16W 1 0603 STD STD 2 R2 R4 1 50K Resistor Chip 1 16W 1 0603 STD STD 1 R3 750 Resistor Chip 1 16W 1 0603 STD STD 1 R5 6 65k Resi...

Страница 8: ... and Schematics www ti com 4 2 Board Layout Figure 2 Top Assembly 8 800mA Single Input Single Cell Li Ion Battery Solar Charger with Power Path SLUU477 December 2010 Submit Documentation Feedback 2010 Texas Instruments Incorporated ...

Страница 9: ...aterials Board Layout and Schematics Figure 3 Top Layer 9 SLUU477 December 2010 800mA Single Input Single Cell Li Ion Battery Solar Charger with Power Path Submit Documentation Feedback 2010 Texas Instruments Incorporated ...

Страница 10: ...d Layout and Schematics www ti com Figure 4 Bottom Layer 10 800mA Single Input Single Cell Li Ion Battery Solar Charger with Power Path SLUU477 December 2010 Submit Documentation Feedback 2010 Texas Instruments Incorporated ...

Страница 11: ... Layout and Schematics 4 3 Schematics Figure 5 bq24210 EVM Schematic 11 SLUU477 December 2010 800mA Single Input Single Cell Li Ion Battery Solar Charger with Power Path Submit Documentation Feedback 2010 Texas Instruments Incorporated ...

Страница 12: ...duct This notice contains important safety information about temperatures and voltages For additional information on TI s environmental and or safety programs please contact the TI application engineer or visit www ti com esh No license is granted under any patent right or other intellectual property right of TI covering or relating to any machine process or combination in which such TI products o...

Страница 13: ...ch statements TI products are not authorized for use in safety critical applications such as life support where a failure of the TI product would reasonably be expected to cause severe personal injury or death unless officers of the parties have executed an agreement specifically governing such use Buyers represent that they have all necessary expertise in the safety and regulatory ramifications o...

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