CD1020 datasheet(42/61 Pages) NXP

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NXP Semiconductors

CD1020

22-channel multiple switch detection interface

All voltages are with respect to ground, unless otherwise noted. Exceeding these ratings may cause a malfunction or

permanent damage to the device.

Symbol

Ratings

Min

Max

Unit

Notes

VBATP

Battery voltage

6.0

VDDQ

Supply voltage

3.0

5.25

CS_B, MOSI,

MISO, SCLK SPI inputs / outputs

3.0

5.25

SGx, SPx

Switch input range

–1.0

AMUX, INT_B AMUX, INT_B

0.0

5.25

WAKE_B

0.0

Table 40. Operating conditions

9.4 Electrical characteristics

9.4.1 Static electrical characteristics

TA = –40 °C to +125 °C, VDDQ = 3.1 V to 5.25 V, VBATP = 6.0 V to 28.0 V, unless otherwise noted.

Symbol

Characteristic

Min

Typ

Max

Units

Notes

Power input

VBATP(POR)

VBATP supply voltage POR

• VBATP supply Power-On-Reset voltage.

2.7

3.3

3.8

VBATPUV

VBATP undervoltage rising threshold

—

4.3

4.5

VBATPUVHYS

VBATP undervoltage hysteresis

250

—

500

VBATPOV

VBATP overvoltage rising threshold

—

VBATPOVHYS

VBATP overvoltage hysteresis

1.5

—

3.0

IBAT(ON)

VBATP supply current

• All switches open, normal mode, tri-state disabled (all channels)

—

7.0

IBATP,IQ,LPM,P

VBATP low-power mode supply current (polling disabled)

• Parametric VBATP, 6.0 V < VBATP < 28 V

—

µA

IPOLLING,IQ

VBATP polling current

• Polling 64 ms, 11 inputs of wake enabled

—

µA

(11)

IVDDQ,NORMAL

Normal mode (IVDDQ)

• SCLK, MOSI, WakeB = 0 V, CS_B, INT_B =VDDQ, no SPI communication, AMUX

selected no input

—

500

µA

IVDDQ,LPM

Logic low-power mode supply current

• SCLK, MOSI = 0 V, CS_B, INT_B, WAKE_B = VDDQ, no SPI communication

—

µA

VGNDOFFSET

Ground Offset

• Ground offset of Global pins to IC ground

–1.0

—

1.0

(20)

VDDQUV

VDDQ undervoltage falling threshold

2.2

—

2.8

VDDQUVHYS

VDDQ undervoltage hysteresis

150

—

350

Switch input

ILEAKSG_GND

Leakage (SGx/SPx pins) to GND

• Inputs tristated, analog mux selected for each input, voltage at SGx = VBATP

—

2.0

μA

ILEAKSG_BAT

Leakage (SGx/SPx pins) to battery

• Inputs tristated, analog mux selected for each input, voltage at SGx = GND

—

2.0

μA

ISUSSG

SG sustain current / mode 0 wetting current

• VBATP 6.0 to 28 V

1.6

2.0

2.4

ISUSSB

SB sustain current / mode 0 wetting current

1.75

2.2

2.85

IWET

Wetting current level (SG and SB)

• Mode 1 = 8 mA

• Mode 2 = 12 mA

• Mode 3 = 16 mA

—

Table 41. Static electrical characteristics

CD1020

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 5 — 20 August 2024

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