PST7523 datasheet, PDF - EEWORLD Datasheet

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PST7523: DescriptionPower Supply Support Circuit, Fixed, 1 Channel, PDSO5, MINI, PLASTIC, SOT-25, 5 PIN; CategoryPower/power management The power supply circuit; File Size101KB，5 Pages; ManufacturerMitsumi Electric Co., Ltd.

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PST7523 Overview

Power Supply Support Circuit, Fixed, 1 Channel, PDSO5, MINI, PLASTIC, SOT-25, 5 PIN

PST7523 Parametric

Parameter Name	Attribute value
Maker	Mitsumi Electric Co., Ltd.
Parts packaging code	SOT
package instruction	LSSOP,
Contacts	5
Reach Compliance Code	unknown
ECCN code	EAR99
Adjustable threshold	NO
Analog Integrated Circuits - Other Types	POWER SUPPLY SUPPORT CIRCUIT
JESD-30 code	R-PDSO-G5
length	2.9 mm
Number of channels	1
Number of functions	1
Number of terminals	5
Maximum operating temperature	75 °C
Minimum operating temperature	-25 °C
Package body material	PLASTIC/EPOXY
encapsulated code	LSSOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Certification status	Not Qualified
Maximum seat height	1.4 mm
Maximum supply voltage (Vsup)	12 V
Minimum supply voltage (Vsup)
Nominal supply voltage (Vsup)	4.2 V
surface mount	YES
Temperature level	COMMERCIAL EXTENDED
Terminal form	GULL WING
Terminal pitch	0.95 mm
Terminal location	DUAL
width	1.6 mm

PST7523 Preview

MITSUMI

Protection of Lithium-Ion Batteries (for Double-Protect) PST75XX

Protection of Lithium-Ion Batteries (for Double-Protect)

Monolithic IC PST75XX Series

Outline

This IC is used for double-protection of lithium-ion batteries with one cell. Some models can also be used for

pulse charging.

Features

1. Detection voltage accuracy (Ta=25°C)

2. Circuit current while on

3. Circuit current while off (Vcc at or below detection voltage)

4. Circuit current while off (Vcc=2.000V)

5. Output current while on

6. Delay time (Ctc=0.015µF, R

=100kΩ)

±15 mV (PST7513, 7523) / ±30 mV (PST7512, 7528)

30µA typ.

4µA typ.

1µA typ.

-100µA max.

200 ms typ.

Package

SOT-25 (Mini mold)

Applications

IC for double-protection of lithium-ion batteries with one cell.

Pin Assignment

SOT-25

Note 2 : The Pin 2 this product is SUB, so connect the pin to Ground.

GND

SUB

OUT

Block Diagram

MITSUMI

Protection of Lithium-Ion Batteries (for Double-Protect) PST75XX

Pin Description

Pin No.

Pin Name

GND

SUB

OUT

GND pin

SUB pin

Delay time establish pin

Reset signal output pin

pin / detection voltage pin

Functions

Absolute Maximum Ratings

Item

Storage temperature

Operating temperature

Supply voltage

Allowable loss

(Ta=25°C)

Symbol

STG

OPR

max.

Ratings

-40~+125

-25~+75

-0.3~+12

150

Unit

°C

Recommended Operating Conditions

Item

Operating temperature

Operating voltage

Symbol

OPR

Ratings

-25~+75

0~+12

Unit

°C

Electrical Characteristics

Item

Detection voltage

Release voltage

Hysteresis voltage

Detection voltage

temperature coefficient

High-level output voltage

Output leakage current

Circuit current at on time

Circuit current at off time 1

Circuit current at off time 2

Delay time

"L" transmission delay time

Output current at ON time

Note : t

PLH

: V

=3.870V

PHL

: V

=4.370V

4.370V

3.870V

(Except where noted otherwise, Ta=25°C) Models listed PST7513

Measurement

circuit

Symbol

Vs/ T

CCH

CCL

PLH

PHL

Measurement conditions

H R

=100kΩ

L R

=100kΩ

Min. Typ. Max. Unit

4.120 4.135 4.150

4.100 4.125 4.145

±0.01

3.800 4.150

±0.1

140

200

1.1

1.5

260

3.5

-100

%/°C

µA

Vs=V

-V

=100kΩ Ta=-25~+75°C

=4.20V R

=100kΩ

=4.020V

=4.200V R

=∞

=4.020V R

=∞

=2.000V R

=∞

=100kΩ C

=0.015µF

=100kΩ C

=0.015µF

=4.200V R

=0Ω

MITSUMI

Protection of Lithium-Ion Batteries (for Double-Protect) PST75XX

Measuring Circuit

(1)

(2)

A: DC Amperemeter

V: DC Voltmeter

CRT: Oscilloscope

Input Pulse

Vsd typ.+0.25V

Vsr typ.-0.25V

MITSUMI

Protection of Lithium-Ion Batteries (for Double-Protect) PST75XX

Timing Chart

Vsd

PLH

0.4V max.

OUT

PLH

Application Circuit

(1) Over charge detecting circuit (P-MOS FET control)

MITSUMI

Protection of Lithium-Ion Batteries (for Double-Protect) PST75XX

(2) Over charge detecting circuit (N-MOS FET control)

Characteristics

Delay time (t

PLH

) vs C

characteristics

L transmission delay time (t

PHL

) vs

characteristics

100

PLH

(s)

PLH

(ms)

0.001

0.01

0.1

0.01

0.0001

(µF)

0.1

0.0001

0.001

0.01

0.1

(µF)

Delay time (t

PLH

)

. .13.33 C

(s)

: µF

"L" Transmission delay time (t

PHL

)

. .73.35 10

-3

(s)

: µF

Note: The above are representative, not guaranteed values.

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PST7523 Related Products

	PST7523	PST7512	PST7513	PST7528
Description	Power Supply Support Circuit, Fixed, 1 Channel, PDSO5, MINI, PLASTIC, SOT-25, 5 PIN	Power Supply Support Circuit, Fixed, 1 Channel, PDSO5, MINI, PLASTIC, SOT-25, 5 PIN	Power Supply Support Circuit, Fixed, 1 Channel, PDSO5, MINI, PLASTIC, SOT-25, 5 PIN	Power Supply Support Circuit, Fixed, 1 Channel, PDSO5, MINI, PLASTIC, SOT-25, 5 PIN
Maker	Mitsumi Electric Co., Ltd.	Mitsumi Electric Co., Ltd.	Mitsumi Electric Co., Ltd.	Mitsumi Electric Co., Ltd.
Parts packaging code	SOT	SOT	SOT	SOT
package instruction	LSSOP,	LSSOP,	LSSOP,	LSSOP,
Contacts	5	5	5	5
Reach Compliance Code	unknown	unknown	unknown	unknown
ECCN code	EAR99	EAR99	EAR99	EAR99
Adjustable threshold	NO	NO	NO	NO
Analog Integrated Circuits - Other Types	POWER SUPPLY SUPPORT CIRCUIT	POWER SUPPLY SUPPORT CIRCUIT	POWER SUPPLY SUPPORT CIRCUIT	POWER SUPPLY SUPPORT CIRCUIT
JESD-30 code	R-PDSO-G5	R-PDSO-G5	R-PDSO-G5	R-PDSO-G5
length	2.9 mm	2.9 mm	2.9 mm	2.9 mm
Number of channels	1	1	1	1
Number of functions	1	1	1	1
Number of terminals	5	5	5	5
Maximum operating temperature	75 °C	75 °C	75 °C	75 °C
Minimum operating temperature	-25 °C	-25 °C	-25 °C	-25 °C
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	LSSOP	LSSOP	LSSOP	LSSOP
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	1.4 mm	1.4 mm	1.4 mm	1.4 mm
Maximum supply voltage (Vsup)	12 V	12 V	12 V	12 V
Nominal supply voltage (Vsup)	4.2 V	4.2 V	4.2 V	4.2 V
surface mount	YES	YES	YES	YES
Temperature level	COMMERCIAL EXTENDED	COMMERCIAL EXTENDED	COMMERCIAL EXTENDED	COMMERCIAL EXTENDED
Terminal form	GULL WING	GULL WING	GULL WING	GULL WING
Terminal pitch	0.95 mm	0.95 mm	0.95 mm	0.95 mm
Terminal location	DUAL	DUAL	DUAL	DUAL
width	1.6 mm	1.6 mm	1.6 mm	1.6 mm

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