MAX17435ETG+ Maxim Integrated Products, MAX17435ETG+ Datasheet - Page 2

• Manufacturer Part Number: MAX17435ETG+
• Description: IC SMBUS BATT CHARGER 24TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX17435ETG+

• Function: Charge Management
• Battery Type: Multi-Chemistry
• Voltage - Supply: 8 V ~ 26 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-TQFN Exposed Pad
• Product: Charge Management
• Operating Supply Voltage: 7 V to 26 V
• Supply Current: 1.5 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Charge Safety Timers: Yes
• Temperature Monitoring: Yes
• Uvlo Stop Threshold: 3.9 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

High-Frequency,
Low-Cost SMBus Chargers
ABSOLUTE MAXIMUM RATINGS
DCIN, CSSP, BATT, CSIP to GND ......................... -0.3V to +28V
CSIP to CSIN, CSSP to CSSN .............................. -0.3V to +0.3V
V
PDSL to GND ......................................................... -0.3V to +37V
GND to PGND ...................................................... -0.3V to +0.3V
DHI to LX. .................................................-0.3V to (V
BST to LX ................................................................. -0.3V to +6V
BST to GND ........................................................... -0.3V to +34V
DLO to PGND .......................................... -0.3V to (V
LX to GND ................................................................ -6V to +28V
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, no load on LDO, V
T
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.
2
BATT + CSIP + CSIN +
LX Input Current
INPUT SUPPLIES
Adapter Present Quiescent
Current (Note 1)
DCIN Input Current
V
DCIN Input Voltage Range
for Charger
DCIN Undervoltage-Lockout
Trip Point for Charger
DCIN Input Voltage Range
CHARGE-VOLTAGE REGULATION
Battery Full-Charge Voltage
and Accuracy
Battery Undervoltage-Lockout
Trip Point for Trickle Charge
CC
A
ADAPTLIM, ACOK to GND .................................. -0.3V to +6V
CC
= 0
______________________________________________________________________________________
, SCL, SDA, V
Supply Current
°
C to +85
PARAMETER
°
C, unless otherwise noted. Typical values are at T
AA
, EN, ACIN, ITHR,
SYMBOL
I
DCIN
DCIN
I
CC
= V
I
I
V
V
Charger disabled
Charger added
V
V
ChargingVoltage() = 0x41A0
ChargingVoltage() = 0x3130
ChargingVoltage() = 0x20D0
ChargingVoltage() = 0x1060
CSSP
DCIN
CSSN
BATT
BATT
DCIN
DCIN
LDO
BST
= V
+ I
falling
= 16.8V
= 2V to 19V, adapter present (Note 1)
rising
+ 0.3V)
+ 0.3V)
CSSP
CSSN
+
= 19V, V
CONDITIONS
A
Charging enabled,
V
V
Charging disabled
Adapter absent or charger
shut down (Note 1)
ADAPTER
BATTERY
= +25
CC, IINP to GND ...................................... -0.3V to (V
LDO Short Circuit to GND ......................................... Momentary
Continuous Power Dissipation (T
Operating Temperature Range .......................... -40NC to +85NC
Junction Temperature .....................................................+150NC
Storage Temperature Range ............................ -65NC to +150NC
Lead Temperature (soldering, 10s) .................................+300NC
Soldering Temperature ....................................................+260NC
24-Pin TQFN (derate 20.8mW/NC above +70NC) .......1666mW
LX
°
= 0V, V
C.)
= 16.8V
= 19V,
BST
- V
LX
= 5V, V
16.733
12.516
8.333
4.15
MIN
-0.4
-0.6
-0.8
-1.0
8
7
8
3
BATT
A
= +70NC)
12.592
4.192
= V
TYP
16.8
200
1.5
0.7
1.5
7.2
7.7
8.4
3.5
3
CSIP
16.867
12.668
= V
8.467
4.234
MAX
+0.4
+0.6
+0.8
+1.0
650
2.2
2.0
1.0
2.5
7.9
26
26
6
4
CSIN
LDO
= 16.8V,
UNITS
+ 0.3V)
mA
mA
mA
mA
FA
%
%
%
%
V
V
V
V
V
V
V
V