Texas Instruments bq24740/1EVM, Руководство пользователя

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1.4 Control and Key Parameters Setting
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Introduction
Jack Description
J12–ACSET ACSET pin
J12–SRSET SRSET pin
J13–VPULUP Pullup voltage source
J13–CELLS CELLS pin output
J13–GND Ground
J14–LOPWRMODE LPMD pin for bq24740, LPMOD pin for bq24741.
J14–IADPTF R25 terminal connected to C18
J14–VREF IC reference voltage VREF
J14–DPMDET DPMDET pin
J15–BYPASS BYPASS pin
J15–LED LED drive
J16–EXT BATDRV External BATDRV drive signal
J16–GND Ground
J17–ACDRV ACDRV pin
J17–LED LED drive
J18–BATDRV BATDRV pin
J18–LED LED drive
J19–VPULUP Pullup voltage source
J19–IADSLP IADSLP pin output for bq24740, TRICKLE pin output for bq24741
J20–VPULUP Pullup voltage source
J20–CHGEN CHGEN pin output for bq24740, CE pin output for bq24741
J21–VREF IC reference voltage VREF
J21–VDAC VDAC pin (#11)
J21–VDACEXT External VDAC voltage
Jack Description Factory Setting
J2 BYPASS drive setting Jumper on 1-2
1-2: Use onboard BYPASS drive
2-3: Use external BYPASS drive
J3 ACDRV drive setting Jumper on 1-2
1-2: Use onboard ACDRV drive
2-3: Use external ACDRV drive
J5 BATRDRV drive setting Jumper on 2-3
1-2: Use External BARDRV drive
2-3: Use onboard BATDRV drive
J7 The pullup power source supplies the LEDs when on. LED has no power source when Jumper On
off.
J9 Connect REGN to VADJ when on Jumper Off
J13 Number of cells selection Jumper on 2-3 (3 cells)
1-2 (PULLUP-CELLS) : 4 cells
2-3 (GND-LO) : 3 cells
Open: 2 cells
J15 The conduction of the BYPASS MOSFET is indicated by LED when on. Jumper On
J17 The conduction of the AC MOSFET is indicated by LED when on. Jumper On
J18 The conduction of the battery MOSFET is indicated by LED when on. Jumper On
J19 IADSLP pulled to high when on for bq24740, TRICKLE pulled to high when on for Jumper Off
bq24741
SLUU284A – June 2007 – Revised October 2008 bq24740/1EVM (HPA206) For Multicell Synchronous Notebook Charger 3
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