MAX8934AETI+ Maxim Integrated Products, MAX8934AETI+ Datasheet - Page 6

• Manufacturer Part Number: MAX8934AETI+
• Description: IC BATTERY CHARGER DUAL 28TQFN
• Manufacturer: Maxim Integrated Products
• Series: Smart Power Selector™r

Specifications of MAX8934AETI+

• Function: Charge Management
• Battery Type: Lithium-Ion (Li-Ion), Lithium-Polymer (Li-Pol)
• Voltage - Supply: 4.1 V ~ 6.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-TQFN Exposed Pad
• Product: Charge Management
• Output Voltage: 1 V
• Operating Supply Voltage: 4.1 V to 6.6 V
• Supply Current: 1 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Charge Safety Timers: Yes
• Mounting Style: SMD/SMT
• Temperature Monitoring: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Dual-Input Linear Chargers, Smart Power Selector
with Advanced Battery Temperature Monitoring
ELECTRICAL CHARACTERISTICS (continued)
(V
UOK, FLT are unconnected, C
6
Maximum Prequal Time
Maximum Fast-Charge Time
Maximum Top-Off Time
Timer Accuracy
Timer Extend Threshold
Timer Suspend Threshold
THERMISTOR MONITOR (Beta = 3477) (Note 2)
THM Cold No-Charge Threshold
(T1)
THM Cold Threshold (T2)
THM Hot Threshold (T3)
THM Hot No-Charge Threshold
(T4)
THM Hot Overtemperature
Threshold (T
THERMISTOR MONITOR (Beta = 3964) (Note 3)
THM Cold No-Charge Threshold
(T1)
THM Cold Threshold (T2)
DC
______________________________________________________________________________________
= V
PEN1
PARAMETER
OT
= V
)
PEN2
= 5V, CEN = USUS = THMEN = GND, V
CT
= 0.068FF, T
From CEN falling to end of prequal charge, V
From CEN falling to FLT falling
MAX8934A/MAX8934C/MAX8934E
MAX8934B/MAX8934D
Percentage of fast-charge current below where the timer
clock operates at half-speed
Percentage of fast-charge current below where timer
clock pauses
I
I
reduced (safety region 2 only), 2NC hysteresis
V
I
hysteresis
OT asserts low, 5NC hysteresis
I
I
reduced (safety region 2), 2NC hysteresis
CHG
CHG
CHG
CHG
CHG
BATT_REG
= 0A, when charging is suspended, 2NC hysteresis
reduced (safety region 1 only), V
= 0mA, when charging is suspended, 3NC
= 0A, when charging is suspended, 2NC hysteresis
reduced (safety region 1 only), V
A
= -40NC to +85NC, unless otherwise noted. Typical values are at T
reduced (safety region 1), 2.5NC hysteresis
CONDITIONS
BATT
= 4V, V
BATT_REG
BATT_REG
THM
BATT
= 1.65V, USB, THMSW, CHG, DONE, OT, DOK,
= 2.5V
73.9
64.5
42.8
32.1
22.4
15.5
76.4
66.2
MIN
-2.2
-2.1
-20
8.2
57
71
8
TYP
74.4
32.4
22.7
15.8
77.2
300
30
15
60
50
20
10
65
45
60
75
10
67
0
0
A
= +25NC.) (Note 1)
MAX
+2.4
+2.4
75.1
65.5
47.5
32.8
63.5
77.9
67.6
+20
12
23
80
16
12
THMSW
THMSW
THMSW
THMSW
THMSW
% of
THMSW
THMSW
UNITS
% of
% of
% of
% of
% of
% of
min
min
min
NC
NC
NC
NC
NC
NC
NC
%
%
%
s