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公开(公告)号：US10924126B2
公开(公告)日：2021-02-16
申请号：US16362403
申请日：2019-03-22
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： Per Torstein Røine , Danielle Lyn Griffith
Abstract: An electronic device comprises a regulator, and an oscillator and a resistor coupled to the regulator. The electronic device further comprises a feedback controller that includes a differential amplifier coupled between the oscillator, the resistor, and the regulator. The feedback controller is configured to apply a control voltage to the regulator in response to a resistor voltage upon the resistor and an oscillator voltage upon the oscillator. The feedback controller can be coupled to control a substantially equal voltage upon the resistor and the oscillator.
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公开(公告)号：US09812960B2
公开(公告)日：2017-11-07
申请号：US14983227
申请日：2015-12-29
Applicant: Texas Instruments Incorporated
Inventor： Keith Edmund Kunz , Vipul Kumar Singhal , Rajat Chauhan , Per Torstein Røine , Danielle Griffith
CPC classification number: H02M3/158 , H02M3/156 , H02M2001/0032 , H02M2003/1566 , Y02B70/16
Abstract: Methods and apparatus for DC-DC power controller with low standby current and fast transient response. In an example arrangement, an apparatus includes a voltage converter outputting a direct current output voltage, configured to increase the output voltage responsive to an enable control signal; at least one feedback comparator configured to output a first control signal, the feedback comparator being active responsive to an edge at a clock signal input; an adjustable frequency oscillator for outputting a first clock signal; and a fast transient detect circuit configured to output a second signal asynchronously upon detecting a rapid change greater than a voltage threshold in the output voltage; the voltage converter receiving the enable control signal when either the first clock signal is active, or the second signal is active and the output voltage is less than a reference voltage. Additional apparatus and methods are disclosed.
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公开(公告)号：US20170187286A1
公开(公告)日：2017-06-29
申请号：US14983227
申请日：2015-12-29
Applicant: Texas Instruments Incorporated
Inventor： Keith Edmund Kunz , Vipul Kumar Singhal , Rajat Chauhan , Per Torstein Røine , Danielle Griffith
IPC: H02M3/158
CPC classification number: H02M3/158 , H02M3/156 , H02M2001/0032 , H02M2003/1566 , Y02B70/16
Abstract: Methods and apparatus for DC-DC power controller with low standby current and fast transient response. In an example arrangement, an apparatus includes a voltage converter outputting a direct current output voltage, configured to increase the output voltage responsive to an enable control signal; at least one feedback comparator configured to output a first control signal, the feedback comparator being active responsive to an edge at a clock signal input; an adjustable frequency oscillator for outputting a first clock signal; and a fast transient detect circuit configured to output a second signal asynchronously upon detecting a rapid change greater than a voltage threshold in the output voltage; the voltage converter receiving the enable control signal when either the first clock signal is active, or the second signal is active and the output voltage is less than a reference voltage. Additional apparatus and methods are disclosed.
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