MAX1909ETI Maxim Integrated Products, MAX1909ETI Datasheet - Page 5

• Manufacturer Part Number: MAX1909ETI
• Description: Battery Management
• Manufacturer: Maxim Integrated Products

Specifications of MAX1909ETI

• Product: Charge Management
• Battery Type: Li-Ion, Li-Polymer, NiCd, NiMH, Lead Acid, Universal
• Operating Supply Voltage: 8 V to 28 V
• Supply Current: 2.7 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Package / Case: TQFN-28
• 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
DHIV Sink Current
DHI On-Resistance Low
DHI On-Resistance High
DLO On-Resistance High
DLO On-Resistance Low
ERROR AMPLIFIERS
GMV Loop Transconductance
GMI Loop Transconductance
GMS Loop Transconductance
CCI/CCS/CCV Clamp Voltage
LOGIC LEVELS
MODE Input Low Voltage
MODE Input Middle Voltage
MODE Input High Voltage
MODE Input Bias Current
ACOK AND PKPRES
ACOK Input Voltage Range
ACOK Sink Current
ACOK Leakage Current
PKPRES Input Voltage
Range
PKPRES Input Bias Current
PKPRES Battery Removal Detect
Threshold
PKPRES Hysteresis
PDS, PDL SWITCH CONTROL
PDS Switch Turn-Off Threshold
PDS Switch Threshold Hysteresis
PDS Output Low Voltage, PDS
Below SRC
PDS Turn-On Current
PDS Turn-Off Current
PDL Switch Turn-On Threshold
PDL Switch Threshold Hysteresis
PARAMETER
DCIN
_______________________________________________________________________________________
= V
CSSP
= V
CSSN
SYMBOL
= 18V, V
DHI = V
DHI = V
V
V
V C TL = 3.6, V
V C TL = 3.6, V
MAX1909: ICTL = 3.6V, MAX8725: V
3.2V, V
V
0.25V < V
0.25V < V
MODE = 0V or 3.6V
V
V
MAX8725, PKPRES rising
MAX8725
V
V
I
PDS = SRC
V
V
V
PDS
DLOV
DLOV
CLS
ACOK
ACOK
DCIN
DCIN
PDS
DCIN
DCIN
BATT
= 0A
= 2.048V, V
= V
A
- V
- V
- V
- V
= V
CSSP
= 4.5V, I DLO = +100mA
= 4.5V, I DLO = -100mA
= 0.4V, ACIN = 1.5V
= 28V, ACIN = 2.5V
DHIV
CSSN
= 0°C to +85°C, unless otherwise noted. Typical values are at T
SRC
BATT
BATT
BATT
BATT
CCV
CCS
CSIP
, I
- V
, I
BATT
BATT
- 2V, V
, V
, V
DHI
< 2.0V, 0.25V < V
< 2.0V
DHI
= V
CONDITIONS
CSIN
DCIN
DCIN
CSSP
= -10mA
= 16.8V , M OD E = LD O
= 12.6V , M OD E = FLOAT
CSIN
= 10mA
System Power Selector
DCIN
= 75mV
falling
falling
- V
= 12V, V
CSSN
= 16V
= 75mV
VCTL
CCI
< 2.0V,
ICTL
= V
ICTL
=
= 1.8V, MODE = float, ACIN = 0, CLS =
0.0625
0.0833
MIN
150
100
100
0.5
0.5
1.6
2.8
10
55
50
10
50
-2
-1
0
1
0
8
6
0.125
0.167
TYP
300
100
200
100
200
1.8
10
12
50
2
2
3
1
1
1
1
0.2500
0.3330
MAX
LDO
600
150
300
150
300
0.8
2.0
+2
+1
28
12
5
4
7
3
2
2
1
A
= +25°C.)
UNITS
mA/V
mA/V
mA/V
LDO
% of
mA
mV
mA
mV
mV
mA
mA
mV
mV
µA
µA
µA
%
Ω
Ω
Ω
Ω
V
V
V
V
V
V
5