UCS1003-1 datasheet(13/138 Pages) MICROCHIP

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DS20005346B-page 13

UCS1003-1/2/3

Charging Current

Threshold Range

IBUS_CHG_RNG

11.72

—

175.8

(Note 5)

DP-DM Shunt Resistor Value

RDCP_RES

——

200



Connected between DPOUT and

DMOUT,

0V < DPOUT = DMOUT < 3V

Response Magnitude

(voltage divider option

resistance range)

SX_RXMAG_

DVDR

—

200



(Note 5)

Resistor Ratio Range

(voltage divider option)

SX_RATIO

0.25

—

0.66

V/V

(Note 5)

Resistor Ratio Accuracy

(voltage divider option)

SX_RATIO_ ACC

—

±0.5

—

Average over range

Response Magnitude

(resistor option range)

SX_RXMAG_

RES

1.8

—

150



(Note 5)

Internal Resistor Tolerance

(resistor option)

SX_RXMAG_

RES_ACC

—

±10

—

Average over range

Response Magnitude

(voltage option range)

SX_RXMAG_

VOLT

0.4

—

2.2

(Note 5)

Voltage Option Accuracy

SX_RXMAG_

VOLT_ACC

—

±1

—

No load, average over range

Voltage Option Accuracy

SX_RXMAG_

VOLT_ACC_ 150

—

-6

—

150 µA load,

average over range

Voltage Option Accuracy

SX_RXMAG_

VOLT_ACC_ 250

—

-10

—

250 µA load,

average over range

Voltage Option Output

SX_RXMAG_

VOLT_BC

0.5

—

DMOUT = 0.6V, 250 µA load

(Note 3)

Response Magnitude

(zero volt option range)

SX_PUPD

—

150

µA

SX_RXMAG_VOLT = 0

(Note 5)

Pull-Down Current Accuracy

SX_PUPD _

ACC_3p6

—±5

—

DPOUT or DMOUT = 3.6V,

compliance voltage

Pull-Down Current

SX_PUPD _

ACC_BC

—

µA

Setting = 100 µA,

DPOUT or DMOUT = 0.15V

compliance voltage (Note 3)

Stimulus Voltage

Threshold Range

SX_TH

0.3

—

2.2

(Note 5)

Stimulus Voltage Accuracy

SX_TH_ ACC

—

±2

—

Average over range

Stimulus Voltage Accuracy

SX_TH_ACC_

0.25

—

At SX_TH = 0.3V (Note 3)

TABLE 1-2:

ELECTRICAL CHARACTERISTICS (CONTINUED)

Electrical Characteristics:

Unless otherwise specified, VDD = 4.5V to 5.5V, VS = 2.9V to 5.5V, VPULLUP = 3V to 5.5V,

TA = -40°C to +85°C; all Typical values at VDD = VS = 5V, TA = +27°C.

Characteristic

Sym.

Min.

Typ.

Max.

Unit

Conditions

Note 1:

For split supply systems using the Attach Detection feature, VS must not exceed VDD +150 mV.

This parameter is ensured by design and not 100% tested.

This parameter is characterized, but not 100% production tested.

The current measurement full-scale range maximum value is 3.0A. However, the UCS1003-1 cannot report

values above ILIM (if IBUS_R2MIN  ILIM) or above IBUS_R2MIN (if IBUS_R2MIN > ILIM and ILIM 1.68A).

The Min and Max values represent the boundaries of a programmable range for UCS1003-1 only. Each value

in the range is typical.

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