MAX1538ETI+T Maxim Integrated Products, MAX1538ETI+T Datasheet - Page 5

• Manufacturer Part Number: MAX1538ETI+T
• Description: IC PWR SOURCE SELECTOR 28-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX1538ETI+T

• Function: Dual Battery Controller
• Battery Type: All Battery Types
• Voltage - Supply: 4.75 V ~ 28 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-WFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS
(V
C
(Note 2)
ADPIN, EXTLD Supply Voltage
Range
CHGIN, BATA, BATB, and
BATSUP Supply Voltage Range
ADPIN, BATA, BATB, BATSUP
Quiescent Current (Current from
the Highest Voltage Supply)
ADPIN Quiescent Current (ADPIN
Current When Not the Highest
Voltage)
BATA Quiescent Current (BATA
Current When Not the Highest
Voltage)
BATB Quiescent Current (BATB
Current When Not the Highest
Voltage)
EXTLD Quiescent Current
CHGIN Quiescent Current
LINEAR REGULATOR
V
V
COMPARATORS
ACDET, AIRDET Input Voltage
Range
ACDET, AIRDET Trip Threshold
MINV_ Operating Voltage Range
BAT_ Minimum Voltage Trip
Threshold
ADPPWR
BATA
DD
DD
Output Voltage
Undervoltage Lockout
= V
= C
PARAMETER
BATB
REVBLK
= V
CHGIN
_______________________________________________________________________________________
= C
ADPBLK
= 16.8V, C
= C
DISBAT
V
V
V
V
no exter nal l oad at V
V
no external load at V
V
no external load at V
V
no external load at V
Adapter selected (REVBLK or ADPBLK pins low)
Adapter not selected (REVBLK and ADPBLK pins high)
AC or ai r l i ne state ( C H G A, C H GB, and D IS BAT p i ns hi g h)
Charge state (CHGA or CHGB pin low, DISBAT pin high)
Discharge or relearn state (CHGA or CHGB pin low,
DISBAT pin low)
I
Rising edge, relative to regulation point
Input falling
V
VDD
VDD
B AT A
B AT B
B AT S U P
A D P IN
ADPIN
BATA
BATB
BAT_
= 0 to 100µA
= 1µF, V
falling
= C
= 4.75V to 19V ,
= 4.75V to 19V ,
= 4.75V to 19V,
= 4.75V to 19V,
= 4.75V to 28V ,
= 4.75V to 18V,
= 4.75V to 19V ,
DISA
MINVA
= C
DISB
D D
= V
DD
DD
DD
CONDITIONS
Power-Source Selector for
MINVB
= C
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
CHGA
ADPIN
ADPPWR
ADPIN
ADPPWR
BATA
BATA
BATB
BATB
BATSUP
ADPPWR
ADPPWR
DISA
DISA
DISB
DISB
MINV_
MINV_
MINV_
= 0.93V, V
= high
= low
= high
= low
= highest, V
= highest, V
= highest, V
= highest, V
= C
= highest,
= highest,
= 0.93V
= 1.5V
= 2.6V
= highest
= high
= low
= high
= low
Dual-Battery Systems
CHGB
EXTLD
= 4.7nF, T A = -40°C to +85°C, unless otherwise noted.)
DISA
DISA
DISB
DISB
= V
= high
= low
= high
= low
ADPIN
= 28V, V
3.270
12.86
MIN
4.75
4.75
1.94
0.93
4.59
-60
7.4
0
CHRG
= V
BATSEL
28.00
19.00
3.330
13.14
MAX
18.5
2.06
2.60
4.72
-10
7.5
7.5
9.5
1.0
1.5
5.5
7.6
50
54
42
50
42
50
40
16
16
10
1
9
= V
RELRN
UNITS
mV
µA
µA
µA
µA
µA
µA
V
V
V
V
V
V
V
= 0,
5