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RAJ240080 Datasheet(PDF) 3 Page - Renesas Technology Corp |
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RAJ240080 Datasheet(HTML) 3 Page - Renesas Technology Corp |
3 / 73 page 3 4.6.4 Current Integration Circuit in Impedance Measurement Mode ...................................... 42 4.6.5 FET control circuit........................................................................................................... 44 4.6.6 Overcurrent Detection Circuit ......................................................................................... 45 4.6.7 Series Regulator............................................................................................................. 47 4.6.8 Reset Circuit ................................................................................................................... 48 4.6.9 Serial Interface IICA ....................................................................................................... 49 4.6.10 Serial Array Unit ............................................................................................................. 50 4.6.11 Conditioning circuit ......................................................................................................... 53 4.6.12 Fuse control circuit ......................................................................................................... 53 4.6.13 High voltage port ............................................................................................................ 55 4.6.14 MCU runaway detection Circuit...................................................................................... 55 5. Application Guideline ............................................................................................ 58 5.1 Typical Application Specification ..................................................................................... 58 5.2 Typical Application Circuit ................................................................................................ 59 5.3 Circuit Design Guideline.................................................................................................... 60 5.3.1 Cell voltage monitor circuit ............................................................................................. 60 5.3.2 Charger connect detection circuit................................................................................... 61 5.3.3 Current monitor............................................................................................................... 61 5.3.4 Fuse control.................................................................................................................... 62 5.3.5 Protection FET control.................................................................................................... 62 5.3.6 Thermistor ...................................................................................................................... 63 5.3.7 System presence............................................................................................................ 64 5.3.8 Communication line ........................................................................................................ 64 5.3.9 Power supply path .......................................................................................................... 65 5.3.10 CREG1/CREG2/REGC capacitance .............................................................................. 65 5.4 Layout Guidelines .............................................................................................................. 66 5.4.1 Summary ........................................................................................................................ 66 5.4.2 ESD protections on each terminal (basic policy)............................................................ 67 5.4.3 Pack+, Pack- .................................................................................................................. 67 5.4.4 How AGND and AGND2 must be connected to the ground .......................................... 68 5.4.5 Bypass capacitor between VCC and GND0................................................................... 68 5.4.6 ISENS0, ISENS1 ............................................................................................................ 69 5.4.7 SMBus ............................................................................................................................ 69 5.4.8 Unused Pins ................................................................................................................... 69 5.4.9 Cell GND ........................................................................................................................ 69 6. Packaging Information........................................................................................... 70 |
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