Manuale d’uso / di manutenzione del prodotto BQ2461X del fabbricante Texas Instruments
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User's Guide SLUU396A – January 2010 – Revised July 2010 bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger Contents 1 Introduction .........................................................................................
Introduction www.ti.com 1 Introduction 1.1 EVM Features • Evaluation Module For bq2461x/bq2463x • High Efficiency Synchronous Buck Charger • User-programmable up to 26V Battery Voltage • AC Adapter Operating Range 5 V–28 V • LED Indication for Control and Status Signals.
www.ti.com Introduction Table 1. I/O Description (continued) Jack Description J5–GND Ground JP1–LOW Ground JP1–TTC Timer capacitor pin JP1–HI Pull-up voltage source JP2–HI Pull-up voltage so.
Test Summary www.ti.com R25 and R28 can be changed to regulate output. V BAT = 2.1V × [1+ R25/R28]; for bq2461x; V BAT = 1.8V × [1+ R25/R28]; for bq2463x; Adjust the input voltage as required. Output set to operate at 21V (bq2461x) or 18V (bq2463x) from the factory.
bq24610/616/617/30EVM HP A422 ACPWR J1 PGND SYS J5 PGND BA T VREF JP3 PG TS APPLICA TIONCIRCUIT PH TP12 SYS VBA T TP1 ACPWR ST A T1 J 3 J2 JP1 U1 JP5 J4 V Iin I Power supply#1 Isys V Ibat V I.
Test Summary www.ti.com 2.4 Procedure 2.4.1 AC Adapter Detection Threshold 1. Make sure EQUIPMENT SETUP steps are followed. Turn on PS#2. 2. Turn on PS#1 Measure → V(J5(SYS)) = 0 ± 500mV Measure → V(TP(VREF)) = 0V ± 1000mV Measure → V(TP(REGN)) = 0V ± 500mV 3.
www.ti.com PCB Layout Guideline 2.4.4 Charger Cut-Off by Thermistor 1. Slowly increase the output voltage of PS2 until Ibat = 0 ± 10mA. Measure → V(J4(TS)) = 2.44V ± 200mV Observe → D7 (STAT1) off; D8 (STAT2) off. 2. Slowly decrease the output voltage of PS2 to 1.
Bill of Materials, Board Layout and Schematics www.ti.com 4 Bill of Materials, Board Layout and Schematics 4.1 Bill of Materials Table 4. Bill of Materials bq24610-001 bq24617-002 Bq24630-003 bq24616-.
www.ti.com Bill of Materials, Board Layout and Schematics Table 4. Bill of Materials (continued) bq24610-001 bq24617-002 Bq24630-003 bq24616-004 Value RefDes Description Size Part Number Mfr 2 2 2 2 PEC03SAAN JP1,JP3 Header, 3 pin, 100mil spacing, 0.
Bill of Materials, Board Layout and Schematics www.ti.com Table 4. Bill of Materials (continued) bq24610-001 bq24617-002 Bq24630-003 bq24616-004 Value RefDes Description Size Part Number Mfr 1 1 1 1 5001 GND Test Point, Black, Thru Hole Color 0.100 x 0.
www.ti.com Board Layout 5 Board Layout Figure 2. Top Layer 11 SLUU396A – January 2010 – Revised July 2010 bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger Copyright © 2010,.
Board Layout www.ti.com Figure 3. 2 nd Layer 12 bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger SLUU396A – January 2010 – Revised July 2010 Copyright © 2010, Texas Instrum.
www.ti.com Board Layout Figure 4. 3 rd Layer 13 SLUU396A – January 2010 – Revised July 2010 bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger Copyright © 2010, Texas Instrum.
Board Layout www.ti.com Figure 5. Bottom Layer 14 bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger SLUU396A – January 2010 – Revised July 2010 Copyright © 2010, Texas Instr.
www.ti.com Board Layout Figure 6. Top Assembly 15 SLUU396A – January 2010 – Revised July 2010 bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger Copyright © 2010, Texas Instr.
Board Layout www.ti.com Figure 7. Bottom Assembly 16 bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger SLUU396A – January 2010 – Revised July 2010 Copyright © 2010, Texas In.
www.ti.com Board Layout Figure 8. Top Silkscreen 17 SLUU396A – January 2010 – Revised July 2010 bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger Copyright © 2010, Texas Ins.
Board Layout www.ti.com Figure 9. Bottom Silkscreen 18 bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger SLUU396A – January 2010 – Revised July 2010 Copyright © 2010, Texas .
www.ti.com Schematics 6 Schematics Figure 10. bq2461x/bq2463x EVM Schematic 19 SLUU396A – January 2010 – Revised July 2010 bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger C.
Evaluation Board/Kit Important Notice Texas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end-product fit for general consumer use.
IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Texas Instruments BQ2461X è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Texas Instruments BQ2461X - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Texas Instruments BQ2461X imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Texas Instruments BQ2461X ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Texas Instruments BQ2461X, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Texas Instruments BQ2461X.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Texas Instruments BQ2461X. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Texas Instruments BQ2461X insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
