Texas Instruments bq24070 Скачать руководство пользователя страница 10 | Manualshive

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K006

2.30

1.79

Physical Layouts

Figure 8. Board Layout – Bottom Etch Layer

bq24070 1.5-A Single-Chip Li-Ion and Li-Pol Charge Management IC EVM

10

SLUU248 – May 2006

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Содержание bq24070

Страница 1: ...er supply The charger is programmed from the factory to deliver 1 A of charging current Contents 1 Introduction 2 2 Considerations When Testing and Using bq24070 ICs 2 3 Performance Specification Summ...

Страница 2: ...sconnected but the internal battery FET connects the battery to VOUT There are two types of OUT pin short circuit one associated with the input IN pin VOUT 1 V and the other associated with the BAT pi...

Страница 3: ...1 W VBAT IBAT VIN VLDO ILDO 1 The HPA180 bq24070 thermal design is optimized 8 vias 0 031 inch PWB 2 oz copper to give JA 27 C W This section covers the setup and tests performed in evaluating the EVM...

Страница 4: ...om the input 18 Disconnect the 5 25 VDC input supply from the UUT IN input Verify on the scope that VOUT does not drop out Verify VOUT is within 50 mV of VBAT and D2 STAT1 and D1 PG LEDs turn off This...

Страница 5: ...at the charging terminates when the battery current tapers to C 10 or 100 mA 1 A 10 programmed charge current divided by 10 Verify D2 STAT1 turns off High and D3 STAT2 turns on Low 28 If a load is app...

Страница 6: ...www ti com 5 Schematic S0200 01 Schematic Figure 2 bq24070 EVM Schematic bq24070 1 5 A Single Chip Li Ion and Li Pol Charge Management IC EVM 6 SLUU248 May 2006 Submit Documentation Feedback...

Страница 7: ...op assembly view of the EVM Figure 5 shows the top etch layer of the EVM Figure 6 shows the board second etch layer of the EVM Figure 7 shows the board third etch layer of the EVM Figure 8 shows the b...

Страница 8: ...30 1 79 K003 2 30 1 79 Physical Layouts Figure 4 Top Silkscreen Figure 5 Board Layout Top Etch Layer 8 bq24070 1 5 A Single Chip Li Ion and Li Pol Charge Management IC EVM SLUU248 May 2006 Submit Docu...

Страница 9: ...005 2 30 1 79 Physical Layouts Figure 6 Board Layout Second Etch Layer Figure 7 Board Layout Third Etch Layer SLUU248 May 2006 bq24070 1 5 A Single Chip Li Ion and Li Pol Charge Management IC EVM 9 Su...

Страница 10: ...ww ti com K006 2 30 1 79 Physical Layouts Figure 8 Board Layout Bottom Etch Layer bq24070 1 5 A Single Chip Li Ion and Li Pol Charge Management IC EVM 10 SLUU248 May 2006 Submit Documentation Feedback...

Страница 11: ...6 1 1 k Resistor chip 1 k 1 10W 1 0805 Std Std R7 0 1 k Resistor chip 1 k 1 10W 1 0805 Std Std R9 1 10 k Resistor chip 10 k 1 16W 1 0603 Std Std R10 1 0 Resistor chip 0 1 16 W 1 0603 Std Std R11 1 22...

Страница 12: ...y restricted substances RoHS recycling WEEE FCC CE or UL and therefore may not meet the technical requirements of these directives or other related directives Should this evaluation board kit not meet...

Страница 13: ...nd the output voltage range of 0 V to 6 5 V Exceeding the specified input range may cause unexpected operation and or irreversible damage to the EVM If there are questions concerning the input range p...

Страница 14: ...iness practice TI is not responsible or liable for any such statements TI products are not authorized for use in safety critical applications such as life support where a failure of the TI product wou...

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