MAX8900BEWV+T Maxim Integrated Products, MAX8900BEWV+T Datasheet - Page 25

• Manufacturer Part Number: MAX8900BEWV+T
• Description: IC LI-ION/POLY BATT CHRGR 30WLP
• Manufacturer: Maxim Integrated Products

Specifications of MAX8900BEWV+T

• Function: Battery Monitor
• Battery Type: Lithium-Ion (Li-Ion), Lithium-Polymer (Li-Pol)
• Voltage - Supply: 3.4 V ~ 8.7 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 30-WLP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 2. Trip Temperatures for Different Thermistors
Figure 10. JEITA Battery Safety Regions
R
Thermistor Beta (ß[I])
RTB (I)
RTP (I)
RTS (I)
Resistance at T1_n15 (I)
Resistance at T1_0 (I)
Resistance at T2 (I)
Resistance at T3 (I)
Resistance at T4 (I)
Temperature at T1_n15 (NC) [-15NC nom]
Temperature at T1_0 (NC) [0NC nom]
Temperature at T2 (NC) [+15NC nom]
Temperature at T3 (NC) [+45NC nom]
Temperature at T4 (NC) [+60NC nom]
Rating and JEITA Battery Temperature Monitoring
THRM
1.2A Switch-Mode Li+ Chargers with ±22V Input
4.2
4.1
4.0
at T
A
= +25NC
THERMISTOR
-40
-40
SHORT
10,000
10,000
61,788
29,308
15,000
OPEN
5,309
2,910
3380
-16.2
T1
T1
14.7
42.6
61.4
-0.8
I
I
FC
PQ
=
=
2 x R
2 x R
3405V
415V
SETI
DNI
SHORT
BATTERY TEMPERATURE (°C)
BATTERY TEMPERATURE (°C)
10,000
10,000
61,788
29,308
15,000
OPEN
5,309
2,910
-11.1
3940
16.1
40.0
55.7
2.6
15
T2
15
T2
4.2V
4.1V*
25
25
301,000
10,000
10,000
77,248
31,971
15,288
4,906
2,439
3940
-14.9
15.7
42.0
60.6
499
0.9
I
I
PQ
FC
TEMPERATURE
=
=
I
DBAT
3405V
415V
R
R
SETI
DNI
290,410
137,750
SHORT
47,000
47,000
70,500
24,954
13,676
OPEN
4050
-10.2
16.4
39.6
54.8
3.2
45
T3
45
T3
4.075V
1,200,000
380,716
153,211
47,000
47,000
72,500
23,083
11,434
2,400
-14.8
4050
15.8
41.5
59.6
1.2
60
T4
60
T4
*CONTACT FACTORY FOR A 4.1V
T1 = 0°C for MAX8900A/MAX8900C
T1 = -15°C for MAX8900B
100,000
100,000
617,913
293,090
150,002
SHORT
53,093
29,099
OPEN
4250
16.8
38.8
53.2
-8.7
4.1
OPTION FOR V
1,800,000
BATREG
100,000
100,000
934,027
343,283
156,836
47,906
22,777
6,800
-15.4
4250
15.9
41.2
59.2
1.3
85
85
.
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