• BQ25173: BQ25173: calculation check for supercap RTC backup

  

  charan kumar

  Part Number: BQ25173 Hello, I am using the BQ25173 to charge a 0.22 F, 3.5 V supercapacitor (NEXCW224Z3.5V10.7X5.5TRF) as a backup supply for a MAX31341C RTC. RTC timekeeping current: ~200–370 nA Minimum timekeeping voltage: 1 V Input to charger…

  • 5 days ago
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• BQ25173: BQ25173 related issues

  

  jeno.zhang

  Part Number: BQ25173 Hello, The customer uses BQ25173 to charge a supercapacitor with a capacitance of 2F and a voltage of 5.5V. How to configure the VREF and feedback resistor?

  • 3 months ago
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• BQ25173: BQ25173 circuit review and voltage inquiry when supercap is charged

  

  ByeongTaek Oh

  Part Number: BQ25173 Vin: 5V Vout: 4.99V Supercap: 3V@18F 2S Charging Current: 800mA Questions 1. When charging at 5V, what is the final voltage when the Supercap is fully charged? 2. Please check if there are any issues with the circuit.

  • 24 days ago
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• BQ25173-Q1: parallel conection of BQ25173-Q1

  

  Vaclav Peterka

  Part Number: BQ25173-Q1 Hello, it is possible to connect two BQ25173-Q1 in parallel for double charging current. Thank You.

  • 6 days ago
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• BQ25173: BQ25173

  

  Meiling Zhu

  Part Number: BQ25173 Other Parts Discussed in Thread: TPS61299 Tool/software: Hi Ti, We use the output (VR) of a full bridge to connect with TPS61299qdrl and then TPS61299qdrl to connect to V5V (connecting 1.5F for charging the supercapacitor). The…

  • 5 months ago
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• BQ25173: Super capacitor charging issue

  

  SELVAGANAPATHI K

  Part Number: BQ25173 Hi TI team, I'm using BQ25173DSGR charger in my design to charge 0.47F super capacitor to the maximum voltage of 1.4V with the configured current limit of 30mA. From the datasheet it is understood that super cap will be charged by…

  • 11 days ago
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• BQ25173-Q1: Country of Origin

  

  Aarthi Balu

  Part Number: BQ25173-Q1 Hi, Can you please help me with the Country of Origin details for BQ25173QWDRCRQ1? Best regards, Aarthi B

  • 1 month ago
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• BQ25173: hybrid capacitor

  

  Hanno Reimer

  Part Number: BQ25173 Tool/software: what would be our best charging solution for hybrid capacitors?

  • 7 months ago
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Answered

• BQ25173: Suitable to charge this Hcap?

  

  Thai Hung Le

  Resolved

  Part Number: BQ25173 Tool/software: Hi Bill, My customer is using the hybrid capacitor with parameters listed in table below. Could you please help to confirm if BQ25173 is a good option? Thank you Best regards, Hung

  • Resolved

  • 7 months ago
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• BQ25173: BQ25173DSGR

  

  kavya s

  Part Number: BQ25173 Other Parts Discussed in Thread: BQ25171-Q1 Tool/software: Dear TI, BQ25173DSGR can be used for charging 8.4V Lithium ion battery..?

  • 9 months ago
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