STM1404CTNBQ6F datasheet, PDF - EEWORLD Datasheet

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STM1404CTNBQ6F: Description1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC16; CategoryPower/power management The power supply circuit; File Size300KB，35 Pages; ManufacturerSTMicroelectronics; Websitehttp://www.st.com/; Environmental Compliance; Related ProductsFound5parts with similar functions to STM1404CTNBQ6F

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STM1404CTNBQ6F Overview

1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC16

STM1404CTNBQ6F Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	STMicroelectronics
Parts packaging code	QFN
package instruction	HVQCCN, LCC16,.12SQ,20
Contacts	16
Reach Compliance Code	compli
ECCN code	EAR99
Adjustable threshold	NO
Analog Integrated Circuits - Other Types	POWER SUPPLY SUPPORT CIRCUIT
JESD-30 code	S-XQCC-N16
length	3 mm
Number of channels	1
Number of functions	1
Number of terminals	16
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	UNSPECIFIED
encapsulated code	HVQCCN
Encapsulate equivalent code	LCC16,.12SQ,20
Package shape	SQUARE
Package form	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
power supply	2.5/3.3 V
Certification status	Not Qualified
Maximum seat height	1 mm
Maximum supply current (Isup)	0.065 mA
Maximum supply voltage (Vsup)	3.6 V
Minimum supply voltage (Vsup)	2.2 V
Nominal supply voltage (Vsup)	3 V
surface mount	YES
Temperature level	INDUSTRIAL
Terminal form	NO LEAD
Terminal pitch	0.5 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	NOT SPECIFIED
width	3 mm

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STM1404

3 V FIPS-140

security supervisor with battery switchover

Features

■

STM1404 supports FIPS-140 security level 4

– Four high-impedance physical tamper

inputs

– Over/under operating voltage detector

– Security alarm (SAL) on tamper detection

– Over/under operating temperature detector

– Over/under temperature thresholds are

customer-selectable and factory-

programmed

Supervisory functions

– Automatic battery switchover

– RST output (open drain)

– Manual (push-button) reset input (MR)

– Power-fail comparator (PFI/PFO)

Vccsw (V

switch output)

– Low when switched to V

– High when switched to V

BAT

(BATT ON

indicator)

Battery low voltage detector (power-up)

Device summary

QFN16, 3 mm x 3 mm (Q)

■

Optional V

REF

(1.237 V)

– (Available for STM1404A only)

Low battery supply current (5.3 µA typ)

Secure low profile 16-pin, 3 x 3 mm, QFN

package

RoHS compliance

– Lead-free components compliant with the

RoHS directive

■

Table 1.

Device

STM1404A

Physical Over/under Over/under

REF

Standard

OUT

status,

voltage

temperature (1.237 V)

supervisory tamper

during alarm

inputs

alarms

option

functions

(1)

✔

Note

(4)

Note

(4)

High-Z

Ground

Vccsw status,

during alarm

Normal mode

(2)

High

STM1404B

(3)

STM1404C

1. Reset output, power-fail comparator, battery low detection (SAL, RST, PFO, and BLD are open drain).

2. Normal mode: low when V

OUT

is internally switched to V

and high when V

OUT

is internally switched to battery.

3. Contact local ST sales office for availability.

4. Pin 9 is the V

REF

pin for STM1404A. It is the V

TPU

pin for STM1404B/C.

August 2008

Rev 5

1/36

www.st.com

Contents

STM1404

Contents

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.1

OUT

pin modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.1.1

1.1.2

1.1.3

STM1404A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

STM1404B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

STM1404C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Pin descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.1

2.2

2.3

2.4

2.5

2.6

2.7

2.8

2.9

2.10

2.11

2.12

2.13

2.14

SAL, security alarm output (open drain) . . . . . . . . . . . . . . . . . . . . . . . . . . 12

, TP

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

, TP

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.3.1

Vccsw, V

switch output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

BLD, V

BAT

low voltage detect output (open drain) . . . . . . . . . . . . . . . . . . 13

Active-low RST output (open drain) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

MR, manual reset input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

PFO, power-fail output (open drain) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

PFI, power-fail input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

REF

, reference voltage output (1.237, typ) . . . . . . . . . . . . . . . . . . . . . . . 14

OUT

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

TPU

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

BAT

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

3.1

3.2

3.3

3.4

3.5

Reset input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Push-button reset input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Backup battery switchover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Applications information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Negative-going V

transients and undershoot . . . . . . . . . . . . . . . . . . . . 17

Tamper detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.1

Physical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

2/36

STM1404

List of figures

Figure 1.

Figure 2.

Figure 3.

Figure 4.

Figure 5.

Figure 6.

Figure 7.

Figure 8.

Figure 9.

Figure 10.

Figure 11.

Figure 12.

Figure 13.

Figure 14.

Figure 15.

Figure 16.

Figure 17.

Figure 18.

Figure 19.

Figure 20.

Figure 21.

Figure 22.

Figure 23.

Figure 24.

Figure 25.

Figure 26.

Figure 27.

Figure 28.

Figure 29.

Figure 30.

Figure 31.

Logic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

QFN16 connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Hardware hookup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Tamper pin (TP

or TP

) normally high (NH) external hookup (switch closed) . . . . . . . . . 10

Tamper pin (TP

or TP

) normally high (NH) external hookup (switch open). . . . . . . . . . . 10

Tamper pin (TP

or TP

) normally low (NL) external hookup (switch closed) . . . . . . . . . . 10

Tamper pin (TP

or TP

) normally low (NL) external hookup (switch open). . . . . . . . . . . . 11

Power-fail comparator waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Supply voltage protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

BAT

-to-V

OUt

on-resistance vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Supply current vs. temperature (no load) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

PFI

threshold vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Reset comparator propagation delay vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Power-up t

rec

vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Normalized reset threshold vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

PFI to PFO propagation delay vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

RST output voltage vs. supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

RST response time (assertion) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Power-fail comparator response time (assertion) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Power-fail comparator response time (de-assertion) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

to reset propagation delay vs. temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Maximum transient duration vs. reset threshold overdrive . . . . . . . . . . . . . . . . . . . . . . . . . 23

AC testing input/output waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

MR timing waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

STM1404 switchover diagram, condition A (V

BAT

< V

) . . . . . . . . . . . . . . . . . . . . . . . . . 26

STM1404 switchover diagram, condition B (V

BAT

> V

) . . . . . . . . . . . . . . . . . . . . . . . . . 26

Temperature hysteresis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

QFN16 – 16-lead, quad, flat package, no lead, 3 x 3 mm body size, outline . . . . . . . . . . . 31

QFN16 – 16-lead, quad, flat package, no lead, 3 x 3 mm, recommended footprint . . . . . . 32

Topside marking information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

5/36

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