Integrated Device Technology Inc.

San Jose, CA, United States

Integrated Device Technology Inc.

San Jose, CA, United States
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Patent
Integrated Device Technology Inc. | Date: 2016-01-19

An apparatus includes a first circuit and a second circuit. The first circuit may be configured to (i) generate a plurality of delayed signals each as a copy of an input signal shifted in time by a sequence of respective delays based on a control signal and (ii) change a number of driver signals that are active during each delay in the sequence of respective delays based on the input signal and the plurality of delayed signals to control a slew rate of an output signal. The second circuit may be configured to drive the output signal in response to the driver signals.


Patent
Integrated Device Technology Inc. | Date: 2017-04-06

An apparatus includes an interface and a circuit. The interface may be configured to generate a read signal that carries read data from a memory channel. The circuit may be configured to (i) modify the read signal with a de-emphasis on each pull up of the read signal and a pre-emphasis on each pull down of the read signal and (ii) transfer the read signal as modified to a memory controller.


Patent
Integrated Device Technology Inc. | Date: 2015-12-18

A transmitter/receiver that includes a wireless power receiving mode and a data transmission mode. In the wireless power receiving mode, the transmitter/receiver receives wireless power through and coil and provides power to a load. In data transmission mode, the transmitter/receives drives the coil according to data to transmit data.


Patent
Integrated Device Technology Inc. | Date: 2015-10-01

A wireless power transmission system is presented. In some embodiments, a transmission unit includes a first inductor with a center tap, a first end tap, and a second end tap; a pre-regulator coupled to provide current to the center tap; a switching circuit coupled to the first end tap and the second end tap, the switching circuit alternately coupling the first end tap and the second end tap to ground at a frequency; and a resonant circuit magnetically coupled to the first inductor, the resonant circuit wirelessly transmitting power. In some embodiments, the switching circuit can be formed of FETs. The current provided to the center tap can be controlled in response to current sensors.


Patent
Integrated Device Technology Inc. | Date: 2016-07-11

A wireless power transmission system is presented. In some embodiments, a transmission unit includes a first inductor with a center tap, a first end tap, and a second end tap; a pre-regulator coupled to provide current to the center tap; a switching circuit coupled to the first end tap and the second end tap, the switching circuit alternately coupling the first end tap and the second end tap to ground at a frequency; and a resonant circuit magnetically coupled to the first inductor, the resonant circuit wirelessly transmitting power. In some embodiments, the switching circuit can be formed of FETs. The current provided to the center tap can be controlled in response to current sensors.


Patent
Integrated Device Technology Inc. | Date: 2015-12-02

An apparatus includes an interface and a circuit. The interface may be configured to generate a memory signal that carries read data from a memory channel. The circuit may be configured to modify a read signal that transfers the read data across a read line to a memory controller. A filter may delay the memory signal to generate a delayed signal. A driver generally amplifies the memory signal to generate the read signal. The driver may modify the read signal with a de-emphasis on each pull up of the memory signal and a pre-emphasis on each pull down of the memory signal based on the delayed signal.


Patent
Integrated Device Technology Inc. | Date: 2015-10-27

A system and method of wireless power transfer using a power converter with a bypass mode includes a power converter. The power converter includes a pulsed switch, a capacitor configured to supply a drive voltage to the pulsed switch, a first circuit configured to charge the capacitor when the power converter operates in a switched mode of operation, and, a second circuit configured to charge the capacitor when the power converter operates in a bypass mode of operation.


Patent
Integrated Device Technology Inc. | Date: 2016-03-10

A wireless power transmission system is presented. The wireless power circuit includes an adaptive transmitter coupled to a transmit coil; a receive coil in interaction with the transmit coil, the receive coil being thin and having an inner diameter large enough to accommodate sensors of a wearable device; and a receive circuit receiving power from the receive coil.


Patent
Integrated Device Technology Inc. | Date: 2016-02-25

A method and apparatus provides a parameter estimation processor configured to estimate parameters used to compress data for transmission over a serial data link. The parameter estimation processor includes a processor. The processor includes user programmable inputs. The user programmable inputs set an input data packet length, a target compression ratio, and a resampling factor and allow filter parameters to be set. Input data information is received from an input data buffer of a data sample compressor. The processor performs a function that: (a) adjusting a target compression ratio by a first compression ratio to determine a remaining compression ratio when the resampling operation is enabled; (b) estimating a set of compression parameters that are used to achieve the remaining compression ratio, the set of compression parameters includes an attenuation value, filter order, a type of encoding; and (c) sends the set of compression parameters to the data sample compressor. The data sample compressor applies the compression parameters to a packet of input data and outputs a plurality of compressed data words.


Patent
Integrated Device Technology Inc. | Date: 2016-04-01

A system and method of over-voltage protection includes a switch coupled between a power source and a load, a detection circuit configured to detect an onset of an over-voltage event at the load; and a driver circuit coupled to the switch and the detection circuit. The driver circuit includes a boost sub-circuit that provides a low-resistance path for opening the switch in a boost mode, the boost mode being triggered by the onset of the over-voltage event and having a predetermined duration and a steady state sub-circuit that provides a high-resistance path for holding the switch open during steady state operation when the boost mode.

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