Answered

• LP3921: Using LP3921 to charge a 3S NiMH battery pack

  

  Rasmus Ågren

  Resolved

  Part Number: LP3921 Hi, In our product we're currently using the LP3921 to charge a 1S Li-Po battery pack, but we're considering changing the battery pack to a 3S NiMH pack instead (due to mostly easier shipping/handling) We've studied the datasheet…

  • Resolved

  • over 5 years ago
  • Power management
  • Power management forum

• LP3921: Replacement of LP3921

  

  Wenting Wu

  Part Number: LP3921 Hello sir/madam, One of my customer is using LP3921SQ for their old project and the runrate is 10Ku/Y. May I ask is there a replacement of LP3921? When I searched for the availability of LP3921SQ, this device seems like to end production…

  • over 5 years ago
  • Power management
  • Power management forum

• LP3921: Does PWR_ON and PS_HOLD affect charging?

  

  JLA

  TI Thinks Resolved

  Part Number: LP3921 Hello, I have 2 questions regarding the LP3921: Q1: One thing is not clear in the datasheet - does PWR_ON and PS_HOLD affect charging, or only LDO / audio amp? Will charging start (and continue) also without PWR_ON and PS_HOLD…

  • over 4 years ago
  • Power management
  • Power management forum

• RE: LP3921: IQ(STANDBY) slowly increase above max spec on some boards

  

  Ulf Wilhelmson

  I was not clear enough in the description, Sorry. What I called VBATT is in reality the group of all four power inputs, VBATT, VIN1, VIN2 and VDD. They, with proper decoupling, are connected together in a small local net connected via a 0R resistor…

  • over 7 years ago
  • Power management
  • Power management forum

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