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Picor Corporation · picorpower.com

PI2211

Rev 1.1, Page 6 of 26

PI2211

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Electrical Specifications

Parameter

Min

Typ

Max

Units

Conditions

SOA

Differential Current Sense Level Range for SOA (CSP

to CSN)

0

80

mV

SOAS

10

Ω

2

This is the means to scale current for

SOA.

(SOA Note 1)

1

20

kΩ

RACC resistor 20 K.

VBUS

V

23

33

mV

Below this level SOA shutdown is

disabled.

SOAR

0.38

7.5

Range for exposed pad MOSFETs

0.38

(SOA Note 1)

1

20

kΩ

RACC resistor 20 K.

60

60

60

Value Fixed Digitally

4800

Units

One unit = 1 V * 1 A *1

1

& I to Update of Digital Filter)

13.5

15

16.5

us

Includes all A/D conversions, and all

multiplications.

SOAT

0.96

19.27

ms

SOA Note 2

19.27

kΩ ∙ ms

RACC resistor 20 K.

1.3

20

kΩ

1/8

1/8

1/8

SOA Note 2

SOA Shaper 2: Tau

1.8

2

2.2

sec

SOA Note 2

A/D Anti-Aliasing Filter 3 dB

3.3

13

KHz

GBD – Not tested in production

SOA Comparator Input Resolution

1.19

°C

SOA Comparator Hi Threshold

60

°C

All SOA cycles

SOA Comparator Lo Threshold

21

°C

First 16 SOA cycles.

SOA Comparator Lo Threshold

3

°C

Beyond 16 SOA cycles.

SOA Note 1: Recommended minimum resistor value is 1.30k

SOA Note 2: SOA Shaper 1 has a function that is represented by a normalized step response of the form:

[

]

SOA Shaper 2 is represented by a normalized step response of the form:

See "Junction to Case Thermal Response" section for further details.