- 您现在的位置：买卖IC网 > PDF目录1848 > MAX8672ETD+T (Maxim Integrated Products)IC MANAGE NIMH BACKUP 14-TDFN PDF资料下载
参数资料
| 型号： | MAX8672ETD+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/17页 |
| 文件大小： | 0K |
| 描述： | IC MANAGE NIMH BACKUP 14-TDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 功能： | 备份管理 |
| 电池化学： | 镍金属氢化物 |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-WFDFN 裸露焊盘 |
| 供应商设备封装： | 14-TDFN-EP（3x3） |
| 包装： | 带卷 (TR) |
Complete Backup Management
IC for NiMH Batteries
ELECTRICAL CHARACTERISTICS (continued)
(V IN = 3.6V, T A = -40°C to +85°C, C CT = 0.1μF, unless otherwise noted.) (Note 1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
BOOST CONVERTER
BST Output Voltage
Boost Output Current
LX Current Limit
n-Channel On-Resistance
p-Channel On-Resistance
n-Channel Maximum On-Time
p-Channel Off-Current Threshold
1-cell input (Note 3)
I LX = 200mA
I LX = -200mA
2.989
400
3.5
5
3.05
500
0.4
0.7
5
20
3.111
20
600
1
2
6.5
35
V
mA
mA
Ω
Ω
μs
mA
Note 1: Parameters are 100% production tested at T A = +25°C. Limits over the operating temperature range are guaranteed by design.
Note 2: BATT current is higher due to boost ratio and efficiency.
Note 3: Total load from both BST and LDO cannot exceed 20mA.
Typical Operating Characteristics
(V IN = 3.6V, Circuit of Figure 6, T A = +25°C, unless otherwise noted.)
1-CELL CHARGE CURRENT (I CHG )
vs. BATTERY VOLTAGE (V BATT )
2-CELL CHARGE CURRENT (I CHG )
vs. BATTERY VOLTAGE (V BATT )
1-CELL CHARGE CURRENT (I CHG )
vs. INPUT VOLTAGE (V IN )
25
I CHG = 20mA
25
I CHG = 20mA
25
I CHG = 20mA
20
20
20
15
V BST = 3.3V,
V BATT(CHG) = 1.5V,
R DR = 274 Ω ,
V BATT RISING
15
V BST = 3.3V,
V BATT(CHG) = 3V,
R DR = 549 Ω ,
V BATT RISING
15
10
V BATT = 1.2V,
R CHGV = 28.7k Ω ,
V BST = 3.3V
10
10
5
I CHG = 3mA
5
I CHG = 3mA
5
I CHG = 3mA
0
0
I CHG = 200 μ A
0
I CHG = 200 μ A
-5
I CHG = 200 μ A
0
0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
BATTERY VOLTAGE (V)
2-CELL CHARGE CURRENT (I CHG )
vs. INPUT VOLTAGE (V IN )
BATTERY VOLTAGE (V)
CHARGE CURRENT (I CHG )
vs. TEMPERATURE
INPUT VOLTAGE (V)
BATTERY-CHARGE PROFILE
(2 NiMH CELLS)
25
20
I CHG = 20mA
2.15
3.5
3.0
15
10
V BATT = 2.4V,
R CHGV = 57.6k Ω ,
V BST = 3.3V
I CHG = 3mA
2.10
2.05
2.5
2.0
1.5
CHARGE
TERMINATION
AT V BATT(CHG)
TRICKLE
CHARGE
STARTS AT
V BATT(TRK)
5
0
-5
I CHG = 200 μ A
2.00
1.95
V BATT = 2.4V,
V BST = 3.3V,
R CHGI = 49.9k Ω
1.0
0.5
0
V IN = 4V, V BST = 3.3V, R1 = 402k Ω ,
R2 = 24.9k Ω , R3 = 165k Ω , R4 = R5 = 124k Ω ,
R6 = 56k Ω , R7 = OPEN, R8 = SHORT,
R9 = 110k Ω , C1 = 0.047 μ F
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
-40
-15
10
35
60
85
0
60
120 180 240 300 360 420
480
INPUT VOLTAGE (V)
TEMPERATURE ( ° C)
TIME (min)
4
_______________________________________________________________________________________
相关PDF资料 |
PDF描述 |
|---|---|
| MAX8677AETG+T | IC USB/AC ADP CHARGER 24-TQFN |
| MAX8677CETG+T | IC USB/AC ADP CHARGER 24-TQFN |
| MAX867EUA+ | IC REG BOOST ADJ 2.5MA 8UMAX |
| MAX8686ETL+T | IC REG BUCK SYNC ADJ 25A 40TQFN |
| MAX8688BLETG+ | IC PWR SUPPLY CTRLR/MONTR 24TQFN |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8672EVKIT+ | 制造商:Maxim Integrated Products 功能描述:MAX8672 EVAL KIT - Rail/Tube |
| MAX8674EVKIT+ | 制造商:Maxim Integrated Products 功能描述:STANDARD PRODUCTS - Boxed Product (Development Kits) |
| MAX8676ELB+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX8676EWJ+T | 制造商:Maxim from Components Direct 功能描述:THE MAXIM MAX8676EWJ+T IS A USB HOT SWAP CONTROLLER. - Tape and Reel 制造商:Maxim 功能描述:The Maxim MAX8676EWJ+T is a USB Hot Swap Controller. |
| MAX8677AETG+ | 功能描述:电池管理 1.5A Dual USB/AC Adapter Charger RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
发布紧急采购，3分钟左右您将得到回复。