Part Number: BQ25121 Tool/software: Could you please provide the capability specifications for the BQ25121 in Load Switch (LS) mode? The datasheet details the LDO mode extensively, but the LS mode's current capability is not mentioned explicitly.…
Part Number: BQ25121
Hi,
this is my configuration:
// Reset all registers to default twi_tx_register_8(m_twi, BQ25121_ADDRESS, ILIM_B_UVLO_CR, 0x8A ); //reg 9 // Set Reisters twi_tx_register_8(m_twi, BQ25121_ADDRESS, TS_CFMR, 0x08 ); //reg 2 // disable…
Part Number: BQ25121 Other Parts Discussed in Thread: BQ25892 We currently use the BQ25121 and the BQ25892 in our designs. We now need a charge IC that can handle the following characteristics.
A battery charger to charge a LiPo battery of 630 mAh, charge…
Part Number: BQ25121 Hi,
Working on the newer BQ25121A.
Can't mask some of the faults although PMIC was written to ignore them.
The faults i am referring are :
1. TS falut. - Have written 0x0F to register 2 of the PMIC.
2.BAT UVLO fault. Have written…
Part Number: BQ25121 Hi,
My actions:
1. Unplug Battery
2 Plug it back.
3. System will not wake up.
My device will not turn on after I unplug battery (3.7V) and then plug back.
Only if i connect to external power (5V) , it wakes up.
Any specific PMIC…
Part Number: BQ25121 Other Parts Discussed in Thread: BQ25120A , BQSTUDIO Pulling the LSCTRL Pin LOW does not turn off the LS/LDO out.
But when i also write to the PMIC register (MSB of register 0x07u, changed to 0x7C) it does shutdown the LS/LDO.
Couldn…
Part Number: BQ25121 Hi ,
When working with no battery connected to device, only external 5V power.
On Boot, when PMIC is in default state.
If LSCTRL pin connected to PMIC is LOW then i can't configure the PMIC registers, get some I2C error.
if LSCTRL…
Part Number: BQ25121 Changing CD pin to low and activating HighZ mode.
Will this shutdown I2C?
If i pull CD to low in the middle of an I2C operation, will it cause a failure?
High Impedance mode is the lowest quiescent current state while operating from…
Part Number: BQ25121 Hi
I am using custom board with STM MCU and BQ25121 battery charger . While reading Voltage battery ,it is not showing exact battery voltage.
For example : Battery measured voltage (3.75V) - Read Value from Register is showing…