MAX8765ETI+ Maxim Integrated Products, MAX8765ETI+ Datasheet - Page 5

• Manufacturer Part Number: MAX8765ETI+
• Description: IC CHARGER BATTERY 28-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX8765ETI+

• Function: Charge Management
• Battery Type: Multi-Chemistry
• Voltage - Supply: 8 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 (continued)
(V
REF, V
per Figure 1a; T
TRIP POINTS
BATT Power-Fail Threshold
BATT Power-Fail Threshold
Hysteresis
ACIN Threshold
ACIN Threshold Hysteresis
ACIN Input Bias Current
SWITCHING REGULATOR
DHI Off-Time
DHI Minimum Off-Time
DHI Maximum On-Time
DLOV Supply Current
BST Supply Current
BST Input Quiescent Current
LX Input Bias Current
LX Input Quiescent Current
DHI Maximum Duty Cycle
Minimum Discontinuous-Mode
Ripple Current
Battery Undervoltage Charge
Current
Battery Undervoltage Current
Threshold
DHI On-Resistance High
DHI On-Resistance Low
DLO On-Resistance High
DLO On-Resistance Low
DCIN
BST
= V
PARAMETER
CSSP
- V
LX
Low-Cost Multichemistry Battery Chargers
A
= V
= 4.5V, ACIN = GND = PGND = 0, C
= 0°C to +85°C, unless otherwise noted. Typical values are at T
CSSN
_______________________________________________________________________________________
= 18V, V
BATT
SYMBOL
= V
CSIP
V
(MAX1908/MAX8724 only)
V
(MAX8765/MAX8765A only)
ACIN rising (MAX8765/MAX8765A only)
ACIN rising (MAX1908/MAX8724 only)
0.5% of REF
V
V
V
V
V
DLO low
DHI high
V
V
V
V
V
MAX1908 only, V
CELLS = GND, MAX1908 only, V
CELLS = open, MAX1908 only, V
CELLS = V
V
V
V
V
= V
DCIN
CSSP
ACIN
BATT
CELLS
BATT
CELLS
DCIN
BATT
DCIN
DCIN
BATT
BST
BST
DLOV
DLOV
CSIN
- V
- V
LDO
= 2.048V
= V
falling, referred to V
= 16V, V
= 16V, V
= 0V, V
= 28V, V
= 0V, V
= 3V per cell (RS2 = 15mΩ),
falling, referred to V
= 4.5V, I
= 4.5V, I
= V
= V
LX
LX
= 12V, V
LX
= 1µF, LDO = DLOV, C
REFIN
= 4.5V, I
= 4.5V, I
REFIN
REFIN
= 20V
BST
BATT
DCIN
DCIN
BATT
DLO
DLO
CONDITIONS
, MAX1908 only, V
BATT
REFIN
= 24.5V,
= V
DHI
DHI
= +100mA
= -100mA
= 19V,
= 17V,
= V
rising
LX
= +100mA
= -100mA
= 3V, V
LX
= 20V
CSIN
CSIN
= 20V
VCTL
BATT
BATT
A
BATT
REF
= +25°C.)
= V
rising
rising
= 1µF; CCI, CCS, and CCV are compensated
rising
ICTL
= 0.75 x V
2.028
2.007
0.36
0.24
9.15
12.2
MIN
150
2.5
6.1
99
50
50
-1
REFIN
2.048
2.048
TYP
0.28
99.9
12.4
100
100
200
150
300
0.4
0.3
0.3
0.5
6.2
9.3
20
5
5
6
4
1
4
1
, CELLS = open, CLS =
2.068
2.089
MAX
0.44
0.33
9.45
12.6
150
150
500
450
7.5
6.3
3.5
3.5
+1
10
15
1
1
7
7
UNITS
mA
mV
mV
mV
ms
µA
µA
µA
µA
µA
µA
µs
µs
%
Ω
Ω
Ω
Ω
A
V
V
5