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Overview
| Topology | Battery Management System |
| Input voltage | 6-26 V |
| Output 1 | 26 V / 90 A |
| IC revision | A |
Description
The 33772 is a SMARTMOS lithium-ion battery cell controller IC designed for automotive applications, such as hybrid electric (HEV) and electric vehicles (EV) along with industrial applications, such as energy storage systems (ESS) and uninterruptible power supply (UPS) systems. The device performs ADC conversions of the differential cell voltages and current, as well as battery coulomb counting and battery temperature measurements. The information is digitally transmitted through the Serial Peripheral Interface (SPI) or Transformer Isolation (TPL) to a microcontroller for processing.
Features
- 5.0 V ≤ VPWR ≤ 30 V operation, 40 V transient
- 3 to 6 cells management
- 0.8 mV total cell voltage measurement error
- Isolated 2.0 Mbps differential communication or 4.0 Mbps SPI
- Addressable on initialization
- Synchronized cell voltage/current measurement with coulomb count
- Total stack voltage measurement
- Seven GPIO/temperature sensor inputs
- 5.0 V reference supply output with 5 mA capability
- Automatic over/undervoltage and temperature detection routable to fault pin
- Integrated sleep mode over/undervoltage and temperature monitoring
- Onboard 300 mA passive cell balancing with diagnostics
- Hot plug capable
- Detection of internal and external faults, as open lines, shorts, and leakages
- Designed to support ISO 26262 up to ASIL D safety system
- Fully compatible with the MC33771 for a maximum of 14 cells
- Qualified in compliance with AEC-Q100
Typical applications
- Uninterruptible Power Supply (UPS)
- Automotive: 12 V to high-voltage battery packs, E-bikes, e-scooters, Energy Storage Systems (ESS), Battery junction box
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Emitting Color | λPeak G typ. (nm) | λDom B typ. (nm) | λDom G typ. (nm) | λDom R typ. (nm) | IV B typ. (mcd) | IV G typ. (mcd) | IV R typ. (mcd) | VF B typ. (V) | VF G typ. (V) | VF R typ. (V) | Chip Technology | 2θ50% typ. (°) | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | Q | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | Fl (mm) | L (µH) | ISAT (A) | RDC max. (mΩ) | fres (MHz) | Mount | Pins (Value) (pcs) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 885012005057 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | – | – | – | – | – | – | 22 pF | ±5% | 50 | 0402 | -55 °C up to +125 °C | 840 | – | 10 GΩ | NP0 Class I | 1 | 0.5 | 0.25 | – | – | – | – | – | – | – | 0.5 | – | – | – | 7" Tape & Reel | ||
| 885012205031 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 16 V(DC) | – | – | – | – | – | – | – | – | – | – | – | – | – | 10 nF | ±10% | 16 | 0402 | -55 °C up to +125 °C | – | 3.5 | 10 GΩ | X7R Class II | 1 | 0.5 | 0.25 | – | – | – | – | – | – | – | 0.5 | – | – | – | 7" Tape & Reel | ||
| 885012205035 | SPEC | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 16 V(DC) | – | – | – | – | – | – | – | – | – | – | – | – | – | 47 nF | ±10% | 16 | 0402 | -55 °C up to +125 °C | – | 5 | 10 GΩ | X7R Class II | 1 | 0.5 | 0.25 | – | – | – | – | – | – | – | 0.5 | – | – | – | 7" Tape & Reel | ||
| 885012205050 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | – | – | – | – | – | – | – | – | – | 10 nF | ±10% | 25 | 0402 | -55 °C up to +125 °C | – | 3.5 | 10 GΩ | X7R Class II | 1 | 0.5 | 0.25 | – | – | – | – | – | – | – | 0.5 | – | – | – | 7" Tape & Reel | ||
| 885012205061 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | – | – | – | – | – | – | 1 nF | ±10% | 50 | 0402 | -55 °C up to +125 °C | – | 2.5 | 10 GΩ | X7R Class II | 1 | 0.5 | 0.25 | – | – | – | – | – | – | – | 0.5 | – | – | – | 7" Tape & Reel | ||
| 885012205063 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | – | – | – | – | – | – | 2.2 nF | ±10% | 50 | 0402 | -55 °C up to +125 °C | – | 2.5 | 10 GΩ | X7R Class II | 1 | 0.5 | 0.25 | – | – | – | – | – | – | – | 0.5 | – | – | – | 7" Tape & Reel | ||
| 885012205065 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | – | – | – | – | – | – | 4.7 nF | ±10% | 50 | 0402 | -55 °C up to +125 °C | – | 2.5 | 10 GΩ | X7R Class II | 1 | 0.5 | 0.25 | – | – | – | – | – | – | – | 0.5 | – | – | – | 7" Tape & Reel | ||
| 885012205067 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | – | – | – | – | – | – | 10 nF | ±10% | 50 | 0402 | -55 °C up to +125 °C | – | 2.5 | 10 GΩ | X7R Class II | 1 | 0.5 | 0.25 | – | – | – | – | – | – | – | 0.5 | – | – | – | 7" Tape & Reel | ||
 | 62201021121 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 1.27 mm THT Dual Pin Header | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | -40 °C up to +105 °C | – | – | 500 MΩ | – | 6.35 | – | – | – | – | – | – | THT | 10 | Dual | – | Pin Header | Straight | 1 | Box | |
 | 74406043101 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-LQFS SMT Power Inductor | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 4828 | -40 °C up to +125 °C | – | – | – | – | 4.8 | 4.8 | – | 100 | 0.37 | 600 | 11 | SMT | – | – | 2.8 | – | – | 0.62 | – | ||
 | 155124M173200 | SPEC | – | 29 files RAY files
| Active i| Production is active. Expected lifetime: >10 years. | WL-SFSW SMT Full-color Side View Waterclear | Red & Green & Blue | 515 | 465 | 523 | 622 | 140 | 850 | 450 | 3 | 2.8 | 2 | AlInGaP + InGaN | 120 | – | – | – | 1204 | -40 °C up to +85 °C | – | – | – | – | 3.2 | 1.5 | – | – | – | – | – | SMT | – | – | 1 | – | – | – | Tape and Reel |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Emitting Color | λPeak G typ. (nm) | λDom B typ. (nm) | λDom G typ. (nm) | λDom R typ. (nm) | IV B typ. (mcd) | IV G typ. (mcd) | IV R typ. (mcd) | VF B typ. (V) | VF G typ. (V) | VF R typ. (V) | Chip Technology | 2θ50% typ. (°) | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | Q | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | Fl (mm) | L (µH) | ISAT (A) | RDC max. (mΩ) | fres (MHz) | Mount | Pins (Value) (pcs) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples |
|---|