MAX8725ETI+ Maxim Integrated Products, MAX8725ETI+ Datasheet - Page 9

• Manufacturer Part Number: MAX8725ETI+
• Description: IC CHARGER BATTERY 28-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX8725ETI+

• 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
• Product: Charge Management
• Operating Supply Voltage: 8 V to 28 V
• Supply Current: 2.7 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Charge Safety Timers: No
• Mounting Style: SMD/SMT
• Temperature Monitoring: No
• Uvlo Start Threshold: 9.18 V
• Uvlo Stop Threshold: 9.42 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
REF, GND = PGND = 0, PKPRES = GND, LDO = DLOV, T
Multichemistry Battery Chargers with Automatic
Note 1: Guaranteed by design. Not production tested.
(Circuit of Figure 2, V
MODE Input High Voltage
ACOK AND PKPRES
ACOK Input Voltage Range
ACOK Sink Current
PKPRES Input Voltage Range
PKPRES Battery Removal Detect
Threshold
PDS, PDL SWITCH CONTROL
PDS Switch Turn-Off Threshold
P D S S w i tch Thr eshol d H yster esi s
PDS Output Low Voltage, PDS
Below SRC
PDS Turn-On Current
PDS Turn-Off Current
PDL Switch Turn-On Threshold
P D L S w i tch Thr eshol d H yster esi s
PDL Turn-On Resistance
PDL Turn-Off Current
SRC Input Bias Current
PARAMETER
DCIN
V
_______________________________________________________________________________________
DCIN
CCI
AND REMOVAL RESPONSE
V
V
= V
BATTERY INSERTION
CCV
CCV
= 20V, charge current = 3A, 4 Li+ series cells, T
V
CSSP
CCI
500μs/div
= V
CSSN
SYMBOL
V
CCI
MAX1909/MAX8725 toc01
= 18V, V
V
CCV
V
MAX8725, PKPRES rising
V
V
I
PDS = SRC
V
V
V
PDL = GND
V
SRC = 19, V
PDS
ACOK
DCIN
DCIN
PDS
DCIN
DCIN
SRC
17V
16V
0A
0A
3V
2V
1V
0V
BATT
V
I
I
5A/div
V
5A/div
BATT
IN
= 0A
BATT
CCI
= V
- V
A
- V
- V
- V
- V
= V
, V
= 0.4V, ACIN = 1.5V
= -40°C to +85°C, unless otherwise noted.)
PDL
CCV
SRC
BATT
BATT
BATT
BATT
CSIP
BATT
= 1.5V
- 2V, V
, V
, V
= V
CONDITIONS
DCIN
DCIN
= 16V
CSIN
System Power Selector
DCIN
Typical Operating Characteristics
falling
falling
= 12V, V
A
= 16V
= +25°C, unless otherwise noted.)
SYSTEM LOAD-TRANSIENT RESPONSE
VCTL
CCS
= V
100μs/div
ICTL
= 1.8V, MODE = float, ACIN = 0, CLS =
MIN
100
100
CCI
2.8
MAX1909/MAX8725 toc02
55
50
10
50
50
0
1
0
8
6
6
TYP
5A
0A
5A
0A
5A
0A
3V
2V
1V
0V
I
V
V
SYSTEMLOAD
I
I
BATT
CCI
CCS
IN
MAX
1000
LDO
150
300
150
300
150
28
12
UNITS
LDO
% of
mA
mV
mV
mA
mA
mV
mV
mA
kΩ
µA
V
V
V
V
9