Scheda Tecnica (BQ25050EVM)Sommariobq25050/bq25060EVM11 Introduction21.1 EVM Features21.2 General Description21.3 I/O Description21.4 Control and Key Parameters Setting31.5 Recommended Operating Conditions32 Equipment42.1 Power Supplies42.2 Loads42.3 Meters42.4 Computer and Interface43 Equipment Setup44 Procedure64.1 Charger Operation with Minimum System Voltage Mode64.1.1 Turn on PS#1, preset to 5.1 Vdc64.1.2 For -001: Trim R7, and set TS pin voltage to 0.5 V ± 50 mV. In the software window, click on enable.64.1.3 Increase PS#2 to ~3.3 Vdc to raise VBAT to 3 V ±50 mV64.1.4 Increase PS#2 to ~4.1Vdc to raise VBAT to 3.8 V ±50 mV.64.1.5 Increase PS#2 until D1 turns off indicating charger termination, to ~4.5 Vdc to raise VBAT to ~4.22 V.74.1.6 Decrease PS#2 to ~4.1 Vdc to lower VBAT to 3.8 V ±50 mV.74.2 Input Current Setting74.2.1 For HPA577-001 (bq25050 EVM) only74.2.2 For HPA577-002 (bq25060 EVM) only74.3 Charger Cut-Off by Thermistor74.3.1 For HPA577-001 (bq25050 EVM) only74.3.2 For HPA577-002 (bq25060 EVM) only85 PCB Layout Guideline86 Bill of Materials, Board Layout, and Schematics96.1 Bill of Materials96.2 Board Layout106.3 Schematic12Important Notices13Dimensioni: 288 KBPagine: 14Language: EnglishApri il manuale
