LDS6104NQGI IDT, Integrated Device Technology Inc, LDS6104NQGI Datasheet

LDS6104NQGI

Manufacturer Part Number

LDS6104NQGI

Description

IC SENSOR TCH PURETOUCH 28VFQFPN

Manufacturer

IDT, Integrated Device Technology Inc

Series

PureTouch&TRADE;r

Type

Capacitiver

Datasheet

1.LDS6107NQGI8.pdf (3 pages)

Specifications of LDS6104NQGI

Number Of Inputs/keys

8 Slider

Data Interface

I²C, Serial, SMBus, SPI™

Voltage - Supply

1.65 V ~ 5.5 V

Operating Temperature

-40°C ~ 85°C

Mounting Type

Surface Mount

Package / Case

28-TQFN

Interface

I²C, SMBus, SPI

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Current - Supply

Output Type

Input Type

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

LDS6104NQGI8

Manufacturer:

IDT

Quantity:

4 779

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LDS6100/6120 Touch Family

PureTouch

The IDT LDS6100/6120 family of PureTouch

streamlined, attractive and reliable product designs with capacitive touch controls. Integrated LED drivers

allow visual feedback to be implemented when a touch occurs, without the need for host intervention.

IDT

Benefits

• Ease-of-use and flexible configurability

• Longer battery life enabled with

• Low BOM cost and minimized solution

• Robust touch performance via

• Customizable visual feedback effects

Applications

• Mobile handsets and smartphones

• Personal media players (MP3/MP4)

• Gaming devices

• Remote controls

• Television, audio/video

• Set-top boxes, multi-function printers,

• White goods

• Industrial and medical devices

LDS6100-6120 PURETOUCH

with optimized, state machine

architecture

ultra-low power consumption

footprint using bare minimum of

external components

proprietary noise-filtering algorithms

with integrated LED drivers (LDS6120)

enterprise telephony

Capacitance Touch IC Family with Integrated LED Drivers

CAPACITANCE TOUCH FAMILY FLYER

semiconductor solutions

Description

The LDS6100/6120 family of capacitance touch controllers from Integrated Device Technoogy

optimized for the implementation of touch-based input controls including sliders, scroll wheels and

buttons. A low power programmable capacitance-to-digital converter (CDC) supports up to 20 sensor

inputs, 10 of which may be configured as direct communication mode (DCM) outputs that emulate

mechanical buttons, enabling streamlined communication of touch events without the need to query the

serial interface bus.

When configured for capacitive sensing, the touch inputs are directed through an integrated switch matrix

to a sigma-delta CDC which senses changes in the external sensor array. When a change in capacitance

occurs above the user defined threshold, a touch event is recognized and the host processor is notified via

an interrupt pin or DCM output. On the LDS6120 products, a variety of built-in LED lighting effects may

be automatically initiated by a touch event with no processor intervention required.

On-chip calibration logic continuously monitors the environment and automatically adjusts touch

sensitivity to insure robust performance. Proprietary noise-filtering algorithms may also be activated to

prevent false sensor activation in noisy system environments. The LDS6100/6120 family is offered with

SPI-compatible, I

select pins. General-purpose input/output (GPIO) and interrupt outputs are also provided for additional

communication with the host processor.

Figure 1. LDS6120 block diagram

I/F_SEL0

I/F_SEL1

RESETB

LDOEN

VDDIO

VDD1

TEST

VSS1

LDO

controllers empower system designers to create

Reset Logic

SD0/

SDA

Power-On

C-compatible and SMBus-compatible interfaces, selectable in real-time using the I/F

Serial Interface and

Control Logic

SDI/

SCLK/

Calibration

SCL

RAM

CSB/

Calibration

Engine

LDS6120

Interrupt and GPIO Logic

GPIO

Current Sources

Data Registers

Control and

LED Driver

INTB

Sigma-Delta

CDC

LED0-

LED9

Excitation

Source

C0/DCM10

C1/DCM 11

C9/DCM9

C10/LED0

C19/LED9

VDD2

VSS2

SHIELD

Related parts for LDS6104NQGI

LDS6104NQGI Summary of contents

Page 1

LDS6100/6120 Touch Family PureTouch Capacitance Touch IC Family with Integrated LED Drivers ® The IDT LDS6100/6120 family of PureTouch streamlined, attractive and reliable product designs with capacitive touch controls. Integrated LED drivers allow visual feedback to be implemented when ...

Page 2

IDT LDS6100-6120 PURETOUCH CAPACITANCE TOUCH FAMILY FLYER ® ® Ideal Solution for Portable and “Green” Applications The LDS6100/6120 is optimized for ultra-low power consumption. In full power mode, sensor conversion and calibration occur continuously, minimizing the time between touch event ...

Page 3

Integrated LED drivers (LDS6120) • dual-purpose sensor inputs configurable as LED drivers • 7.75 mA maximum current per driver (drivers may be combined for higher current applications) • Flexible dimming control • Built-in blink, heartbeat effects • ...

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