MAX1666A(2003) Просмотр технического описания (PDF) - Maxim Integrated

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производитель

MAX1666A
(Rev.:2003)

Advanced Lithium-Ion Battery-Pack Protector

Maxim Integrated 

Advanced Lithium-Ion

Battery-Pack Protector

ELECTRICAL CHARACTERISTICS

(VSRC = 16V, each cell voltage VCELL = 3.6V, 330kΩ load at REF, TA = -40°C to +85°C, unless otherwise noted.) (Note 1)

PARAMETER

Charge-Mode Detection

Threshold

SRC Supply Current

Supply Current

Shutdown Supply Current

VCC Output Voltage

VCC Undervoltage-Lockout

Threshold

Overvoltage Threshold

Undervoltage Threshold

OVA, UVA, MMA Leakage

Cell Mismatch Threshold

PKN to GND Overdischarge-

Current Threshold

PKN to GND Overcharge-Current

Threshold

SYMBOL

CONDITIONS

VSRC - VB_P

ISUP

ISHDN

VCC

VSRC - VB_P = 1V, VCGI = VDSI = GND

MAX1666A only, VSRC - VB3P = 1V, VCGI =

3V, VDSI = GND

MAX1666A only, VSRC - VB3P = 1V, VDSI =

3V, VCGI = GND

No faults, long-time average current from

the top battery terminal B_P

RLOAD ≥ 665Ω, 2V < VCELL < 4.4V

OVA = GND

OVA = REF

UVA = GND

UVA = REF

OVA, UVA, MMA = REF

All cells > 2V, MMA = REF

MIN

1

3.09

2.7

3.975

4.373

1.950

2.925

±450

270

-220

TYP

MAX UNITS

V

10

5

µA

5

45

µA

1

µA

3.41

V

3.0

V

4.025

V

4.427

2.050

V

3.075

20

nA

±550

mV

330

mV

-180

mV

Overcurrent Fault-Timer Delay

Overdischarge/Overcharge-

Current Fault-Blanking Time

DSO, CGO, UVO Output Sink

Current

DSO, CGO Output Source

Current

DSO, CGO, UVO Leakage

Current

tP-DELAY

330

tI-DELAY

1.6

No faults; VDSO, VCGO, VUVO = 1V to 27V

20

VDSO = VSRC - 4V and VCGO = VSRC - 4V,

2

fault condition

V DSO = V CGO = VUVO = 27V, fault condition

770

ms

3.2

ms

40

µA

mA

0.2

µA

4 _______________________________________________________________________________________

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