NiCd/NiMH 电池快速充电控制器

Obsolete

概览

MC33340 和 MC33342 是单片控制电路,专门用作镍镉 (NiCd) 和镍金属氢化物 (NIMH) 电池的快速充电控制器。这些器件采用负斜率电压检测作为快速充电端接的主要方式。准确的检测通过一个瞬变中断充电电流从而实现精确电压采样的输出来保证。还可以选择一个附加的辅助备用端接方法,可以是可编程时间或温度限值。保护功能包括电池过电压和欠压检测、基于温度检测的锁存,以及带有迟滞的电源输入欠压锁定。MC33340 和 MC33342 之间的唯一差别为快速充电延迟时间。MC33340 的典型延迟时间为 177 秒,MC33342 的典型延迟时间为 708 秒。

  • Negative Slope Voltage Detection with 4.0 mV Sensitivity
  • Accurate Zero Current Battery Voltage Sensing
  • High Noise Immunity with Synchronous VFC/Logic
  • Programmable 1 to 4 Hour Fast Charge Time Limit
  • Programmable Over/Under Temperature Detection
  • Battery Over and Undervoltage Fast Charge Protection
  • Power Supply Input Undervoltage Lockout with Hysteresis
  • Operating Voltage Range of 3.25 V to 18 V
  • 177 seconds Fast Change Hold-off Time (MC33340)
  • 708 seconds Fast Change Hold-off Time (MC33342)

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状态

CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Type

Number of Cells Charged

VCC Min (V)

VCC Max (V)

ID Max (µA)

Reference Price

Obsolete

CAD Model

Pb

A

H

P

SOIC-8

1

235

TUBE

98

N

NiCd/NiMH

Flexible

3.25

18

-

Price N/A

More Details

MC33340DG

Obsolete

CAD Model

Pb

A

H

P

SOIC-8

1

260

TUBE

98

N

NiCd/NiMH

Flexible

3.25

18

-

Price N/A

More Details

MC33340DR2

Obsolete

CAD Model

Pb

A

H

P

SOIC-8

1

235

REEL

2500

N

NiCd/NiMH

Flexible

3.25

18

-

Price N/A

More Details

MC33340DR2G

Obsolete

CAD Model

Pb

A

H

P

SOIC-8

1

260

REEL

2500

N

NiCd/NiMH

Flexible

3.25

18

-

Price N/A

More Details

Obsolete

CAD Model

Pb

A

H

P

PDIP-8

NA

0

TUBE

50

N

NiCd/NiMH

Flexible

3.25

18

-

Price N/A

More Details

MC33340PG

Obsolete

CAD Model

Pb

A

H

P

PDIP-8

NA

0

TUBE

50

N

NiCd/NiMH

Flexible

3.25

18

-

Price N/A

More Details

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