MP2633 datasheet(5/33 Pages) MPS

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MP2633 – 1.5A SINGLE CELL SWITCH MODE BATTERY CHARGER

MP2633 Rev. 1.05

www.MonolithicPower.com

4/19/2013

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

ELECTRICAL CHARACTERISTICS (continued)

VIN = 5.0V, TA = 25°C, unless otherwise noted.

Parameter

Symbol

Condition

Min

Typ

Max

Units

Connect to VB to GND

2.47

2.57

2.67

Trickle-Charge Voltage

Threshold

VBATT_TC

Leave VB floating or connect

to high logic

2.9

3.1

Trickle-Charge Hysteresis

200

Termination Charge Current

IBF

RS1=40m, RISET=69.8k

2.5%

10%

17.5%

ICC

Input-Voltage-Regulation

Reference

VREG

1.18

1.2

1.22

Boost Mode

SYS Voltage Range

4.2

Feedback Voltage

1.18

1.2

1.22

Feedback Input Current

VFB=1V

200

Boost SYS Over-Voltage

Protection Threshold

VSYS(OVP)

Threshold over VSYS to turn

off the converter during

boost mode

5.8

6.2

SYS Over-Voltage Protection

Threshold Hysteresis

VSYS falling from VSYS(OVP)

125

Boost Quiescent Current

ISYS = 0, MODE = 5V

1.4

Programmable Boost Output

Current Limit Accuracy

IOLIM

RS1 = 40mΩ, ROLIM = 100k

1.2

1.44

Programmable Boost Output

Current

(5)

RS1 = 50mΩ, ROLIM=63.4k

1.5

SYS Over-Current Blanking

Time

(5)

τSYSOCBLK

120

µs

SYS Over-Current Recovery

Time

(5)

τSYSRECVR

During Boost mode

2.5

Weak-Battery Threshold

VBATT(LOW)

Before Boost mode

2.9

3.05

Sleep Mode

Battery Leakage Current

ILEAKAGE

VBATT = 4.2V, SYS Float, VIN

= 0V, MODE = 0V

μA

Indication and Logic

ACOK

----------------

, CHG

------------

, BOOST

-------------------

output low voltage

Sinking 1.5mA

400

ACOK

----------------

, CHG

------------

, BOOST

-------------------

leakage current

Connected to 5V

μA

NTC and Time-Out Fault

Blinking Frequency

(5)

CTMR=0.1μF, ICHG=1A

13.7

EN Input Logic LOW Voltage

0.4

EN Input High Voltage

1.4

Mode Input Logic LOW Voltage

0.4

Mode Input Logic HIGH Voltage

1.4

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