MAX17005B datasheet(2/21 Pages) MAXIM

2 / 21 page

1.2MHz, Low-Cost,

High-Performance Chargers

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(Circuit of Figure 1, VDCIN = VCSSP = VCSSN = 19V, VBATT = VCSIP = VCSIN = 16.8V, VVCTL = VAA, VISET = 1V, TA = 0°C to +85°C,

unless otherwise noted. Typical values are at TA = +25°C.)

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

DCIN, CSSP, CSSN, BATT, CSIN, CSIP, ACOK,

LX to AGND .......................................................-0.3V to +30V

BST to LDO.............................................................-0.3V to +30V

CSIP to CSIN, CSSP to CSSN .............................. -0.3V to +0.3V

IINP, FB, ACIN, CC to AGND .....................-0.3V to (VAA + 0.3V)

VAA, LDO, ISET, VCTL to AGND .............................-0.3V to +6V

DHI to LX ...................................................-0.3V to (VBST + 0.3V)

BST to LX..................................................................-0.3V to +6V

DLO to PGND ...........................................-0.3V to (VLDO + 0.3V)

PGND to AGND .................................................... -0.3V to +0.3V

Continuous Power Dissipation (TA = +70°C)

16-Pin TQFN (derate 16.9mW/°C above +70°C)....1349.1mW

Operating Temperature Range ...........................-40°C to +85°C

Junction Temperature ......................................................+150°C

Storage Temperature Range .............................-60°C to +150°C

Lead Temperature (soldering, 10s) .................................+300°C

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

CHARGE-VOLTAGE REGULATION

2 cells, VVCTL = VAGND (MAX17006B)

8.3664

8.40

8.4336

3 cells, VVCTL = VAA (MAX17005B/MAX17006B)

12.549

12.60

12.651

4 cells, VVCTL = VAGND (MAX17005B)

16.733

16.80

16.867

Battery Regulation-Voltage Accuracy

FB accuracy using FB divider (MAX17015B)

(Note 1)

2.0916

2.1

2.1084

FB Input Bias Current

-1

μA

2 cells (MAX17006B), 4 cells (MAX17005B)

VAA/2

- 0.2

VCTL Range

3 cells (MAX17005B/MAX17006B)

VAA/2

+ 0.2

VAA

VCTL Gain

VCELL/VVCTL

5.85

6.15

V/V

VCTL Input Bias Current

VVCTL = VAGND and VCTL = VAA

-1

μA

CHARGE-CURRENT REGULATION

ISET Range

VAA/2

ISET = 1.4V

ISET Full-Scale Setting

ISET = 99.9% duty cycle

58.2

61.8

VISET = VAA/4 or ISET

= 99.9% duty cycle

-3

38.2

41.8

Full-Charge Current Accuracy

(CSIP to CSIN)

VISET = VAA/6 or ISET

= 66.7% duty cycle

-4.5

+4.5

1.4

4.6

Trickle Charge-Current Accuracy

VBATT = 1V to 16.8V

VISET = VAA/80 or ISET

= 5% duty cycle

-52

+52

Charge-Current Gain Error

Based on VISET = VVAA/4 and VISET = VVAA/80

-2

Charge-Current Offset Error

Based on VISET = VVAA/4 and VISET = VVAA/80

-1.4

+1.4

BATT/CSIP/CSIN Input-Voltage Range

ISET falling

ISET Power-Down Mode Threshold

ISET rising

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