SYSTEMS, METHODS, AND DEVICES FOR BATTERY MANAGEMENT AND MEASUREMENT
Systems, methods, and devices provide management and measurement of battery cells. Methods include providing, from a signal generator, a first enable signal to a first high voltage interface coupled to a first battery cell, the first enable signal transitioning a first component of the first high voltage interface from a depowered state to a powered state and providing, from the signal generator, a first selection signal to selection logic configured to select the first battery cell for a first measurement operation. Methods also include obtaining, at a processing device, a first voltage measurement from the first battery cell, and deselecting the first battery cell by decoupling the processing device from the first high voltage interface.
1 . A method comprising:
providing, from a signal generator, a first enable signal to a first high voltage interface coupled to a first battery cell, the first enable signal transitioning a first component of the first high voltage interface from a depowered state to a powered state;
providing, from the signal generator, a first selection signal to selection logic configured to select the first battery cell for a first measurement operation;
obtaining, at a processing device, a first voltage measurement from the first battery cell; and
deselecting the first battery cell by decoupling the processing device from the first high voltage interface.
2 . The method of claim 1 , wherein the first component comprises a charge pump.
3 . The method of claim 1 further comprising:
providing, from the signal generator, a second enable signal to a second high voltage interface coupled to a second battery cell, the second enable signal transitioning a second component of the second high voltage interface from a depowered state to a powered state.
4 . The method of claim 3 , wherein the providing of the second enable signal occurs prior to cancellation of the first selection signal.
5 . The method of claim 3 further comprising:
providing a second selection signal to selection logic configured to select the second battery cell for a second measurement operation.
6 . The method of claim 5 further comprising:
obtaining, at the processing device, a second voltage measurement from the second battery cell.
7 . The method of claim 1 , wherein a duration of the first enable signal is determined by a user.
8 . The method of claim 1 , wherein a duration of the first enable signal is dynamically configurable based on one or more operational parameters.
9 . The method of claim 1 , wherein an output of the first high voltage interface is provided to the processing device via an analog to digital converter (ADC), and wherein the ADC is controlled via a separate set of control signals than the first enable signal and the first selection signal.
10 . A system comprising:
a first high voltage interface configured to be coupled to a first battery cell;
a processing device configured to perform a first measurement operation to obtain a first voltage measurement from the first battery cell;
first selection logic configured to couple the first high voltage interface to the processing device; and
a signal generator configured to:
provide a first enable signal to the first high voltage interface, the first enable signal transitioning a first component of the first high voltage interface from a depowered state to a powered state; and
provide a first selection signal to the first selection logic to select the first battery cell for the first measurement operation.
11 . The system of claim 10 , wherein the first component comprises a charge pump.
12 . The system of claim 10 , wherein the signal generator is further configured to:
provide a second enable signal to a second high voltage interface coupled to a second battery cell, the second enable signal transitioning a second component of the second high voltage interface from a depowered state to a powered state, and wherein the providing of the second enable signal occurs prior to cancellation of the first selection signal.
13 . The system of claim 12 , wherein the signal generator is further configured to:
provide a second selection signal to selection logic configured to select the second battery cell for a second measurement operation.
14 . The system of claim 10 , wherein a duration of the first enable signal is determined by a user or is dynamically configurable based on one or more operational parameters.
15 . The system of claim 10 , wherein an output of the first high voltage interface is provided to the processing device via an analog to digital converter (ADC), and wherein the ADC is controlled via a separate set of control signals than the first enable signal and the first selection signal.
16 . A device comprising:
a first high voltage interface configured to be coupled to a first battery cell;
first selection logic configured to couple the first high voltage interface to a processing device configured to perform a first measurement operation to obtain a first voltage measurement from the first battery cell; and
a signal generator configured to:
provide a first enable signal to the first high voltage interface, the first enable signal transitioning a first component of the first high voltage interface from a depowered state to a powered state; and
provide a first selection signal to the first selection logic to select the first battery cell for the first measurement operation.
17 . The device of claim 16 , wherein the first component comprises a charge pump.
18 . The device of claim 16 , wherein the signal generator is further configured to:
provide a second enable signal to a second high voltage interface coupled to a second battery cell, the second enable signal transitioning a second component of the second high voltage interface from a depowered state to a powered state, and wherein the providing of the second enable signal occurs prior to cancellation of the first selection signal.
19 . The device of claim 18 , wherein the signal generator is further configured to:
provide a second selection signal to second selection logic configured to select the second battery cell for a second measurement operation.
20 . The device of claim 16 , wherein an output of the first high voltage interface is provided to the processing device via an analog to digital converter (ADC), and wherein the ADC is controlled via a separate set of control signals than the first enable signal and the first selection signal.