Resolved! L99MH98 safety manual
Hello, Does anyone know where I can find the safety manual for L99mh98 octal half bridge driver? br, Gopal [moderation edit: removed label Gate Drivers, added Automotive Power]
Power management
Discuss power management solutions. Ask questions and find answers on voltage configurations, short circuit protection, and programming.
Forum Posts
Viper265K Buck Converter Design - 0.5% duty cycle ?
Hi,I am presently planning to use Viper265K part for High Voltage Buck converter design with below requirements: MinMax Vin200900V Vout4.5 V+/-5%Iout0.44 A Pout2 W With above requirements the duty cycle for the device is observed to be 0.5%. Please...
Resolved! STUSB4500 Reference Design using STL6P3LLH6
Hi I have a question regarding use of STL6P3LLH6 MOSFET in the reference design as shown in EVAL-SCS001V1. In this reference, there is only one STL6P3LLH6(T1) used as shown below: But in the datasheet of STUSB4500, Fig 10 shows use of 2 such MOSFET...
L9945 - 100% performance unattainable
Hi, The L9945 driver used in our proprietary automobile controller unit responsible for controlling actuators and pumps in exhaust system regulating harmful exhaust gases adhering to emission control policy. Case1: OUT 2 channel: Nominal frequency = ...
STSW-STPM004: metrology_STPMS2.a GCC compatible version needed
Hello,I'm migrating STSW-STPM004 firmware from IAR to STM32CubeIDE (GCC).The metrology_STPMS2.a library was compiled with IAR and causes UsageFault(CFSR=0x00008200, INVSTATE bit set - ARM/Thumb interworking issue)when linked and run with GCC.Is ther...
Resolved! L9963E FSM Status Register
Hi, Im using the L9963E for a Battery Management System. I noticed that the device has a register called "FSMstatus". I don't understand if reports the current status or the previous status. For example, if the device is in SLEEP, in order to read t...
Resolved! Review Request: 24V / 200A Pre-Charge & Master Kill Circuit for a Closed System
Hi everyone,I am designing a custom Power Distribution Board (PDB) handling up to 200A at 24V. This PDB will eventually interface with an STM32 and a Jetson Orin Nano for telemetry and control, but my current focus is solely on verifying the robustne...
EVAL-L9963E not working
I am testing the board with a 14s Li-ion battery, but I am unable to read the cell voltages or configure any register through the GUI. I shorted the X1 and P2 power supply inputs and supplied 12 V to both. This was the only setup in which I could g...
Communication issue with L9961
can someone help me with communication of l9961 chip to get voltages of 4s cells n current n charge accumulated by using esp32 or aurdino i dont have this chip n i am not a coder i tried my best but can get any data from the chip just i2c add 0x49 n ...
